Home / 1,409,026,861.14-1,944,403,797.52-782,535,645.28

Finding the Fourth Proportional to 1,409,026,861.14, 1,944,403,797.52 and 782,535,645.28

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Solution

The fourth proportional to 1,409,026,861.14, 1,944,403,797.52 and 782,535,645.28 is: 1,079,869,605.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,026,861.14 : 1,944,403,797.52 = 782,535,645.28 : x
  2. Step 2: Convert to fraction form
    1,409,026,861.14/1,944,403,797.52 = 782,535,645.28/x
  3. Step 3: Cross multiply
    1,409,026,861.14x = 1,944,403,797.52 × 782,535,645.28
  4. Step 4: Simplify right side
    1,409,026,861.14x = 1,521,565,280,377,195,520
  5. Step 5: Solve for x
    x = 1,521,565,280,377,195,520/1,409,026,861.14
  6. Step 6: Final answer
    x = 1,079,869,605.29

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1.5x scale

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.