Home / 914,173,015.92-1,261,636,565.52-517,766,523.12

Finding the Fourth Proportional to 914,173,015.92, 1,261,636,565.52 and 517,766,523.12

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Solution

The fourth proportional to 914,173,015.92, 1,261,636,565.52 and 517,766,523.12 is: 714,561,868.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,173,015.92 : 1,261,636,565.52 = 517,766,523.12 : x
  2. Step 2: Convert to fraction form
    914,173,015.92/1,261,636,565.52 = 517,766,523.12/x
  3. Step 3: Cross multiply
    914,173,015.92x = 1,261,636,565.52 × 517,766,523.12
  4. Step 4: Simplify right side
    914,173,015.92x = 653,233,177,970,348,416
  5. Step 5: Solve for x
    x = 653,233,177,970,348,416/914,173,015.92
  6. Step 6: Final answer
    x = 714,561,868.04

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Double scale
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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.