Home / 2,085,844,037,859.50-3,129,122,506,663.20-859,933,012,716.57

Finding the Fourth Proportional to 2,085,844,037,859.50, 3,129,122,506,663.20 and 859,933,012,716.57

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Solution

The fourth proportional to 2,085,844,037,859.50, 3,129,122,506,663.20 and 859,933,012,716.57 is: 1,290,046,473,021.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,844,037,859.50 : 3,129,122,506,663.20 = 859,933,012,716.57 : x
  2. Step 2: Convert to fraction form
    2,085,844,037,859.50/3,129,122,506,663.20 = 859,933,012,716.57/x
  3. Step 3: Cross multiply
    2,085,844,037,859.50x = 3,129,122,506,663.20 × 859,933,012,716.57
  4. Step 4: Simplify right side
    2,085,844,037,859.50x = 2,690,835,744,314,111,203,213,312
  5. Step 5: Solve for x
    x = 2,690,835,744,314,111,203,213,312/2,085,844,037,859.50
  6. Step 6: Final answer
    x = 1,290,046,473,021.76

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Double scale
Find fourth proportional to 2,085,844,037,860.50, 3,129,122,506,664.70 and 859,933,012,717.57
Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.