Home / 1,179,986,715.96-1,628,381,993.58-651,351,045.66

Finding the Fourth Proportional to 1,179,986,715.96, 1,628,381,993.58 and 651,351,045.66

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Solution

The fourth proportional to 1,179,986,715.96, 1,628,381,993.58 and 651,351,045.66 is: 898,864,622.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,986,715.96 : 1,628,381,993.58 = 651,351,045.66 : x
  2. Step 2: Convert to fraction form
    1,179,986,715.96/1,628,381,993.58 = 651,351,045.66/x
  3. Step 3: Cross multiply
    1,179,986,715.96x = 1,628,381,993.58 × 651,351,045.66
  4. Step 4: Simplify right side
    1,179,986,715.96x = 1,060,648,314,252,248,320
  5. Step 5: Solve for x
    x = 1,060,648,314,252,248,320/1,179,986,715.96
  6. Step 6: Final answer
    x = 898,864,622.72

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Double scale
Find fourth proportional to 1,179,986,716.96, 1,628,381,994.96 and 651,351,046.66
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.