Home / 933,917,635.28-1,288,761,806.76-510,553,143.92

Finding the Fourth Proportional to 933,917,635.28, 1,288,761,806.76 and 510,553,143.92

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Solution

The fourth proportional to 933,917,635.28, 1,288,761,806.76 and 510,553,143.92 is: 704,538,995.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,917,635.28 : 1,288,761,806.76 = 510,553,143.92 : x
  2. Step 2: Convert to fraction form
    933,917,635.28/1,288,761,806.76 = 510,553,143.92/x
  3. Step 3: Cross multiply
    933,917,635.28x = 1,288,761,806.76 × 510,553,143.92
  4. Step 4: Simplify right side
    933,917,635.28x = 657,981,392,205,337,472
  5. Step 5: Solve for x
    x = 657,981,392,205,337,472/933,917,635.28
  6. Step 6: Final answer
    x = 704,538,995.03

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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.