Home / 935,572,233.95-1,290,883,275.45-553,904,753.12

Finding the Fourth Proportional to 935,572,233.95, 1,290,883,275.45 and 553,904,753.12

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Solution

The fourth proportional to 935,572,233.95, 1,290,883,275.45 and 553,904,753.12 is: 764,266,355.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,572,233.95 : 1,290,883,275.45 = 553,904,753.12 : x
  2. Step 2: Convert to fraction form
    935,572,233.95/1,290,883,275.45 = 553,904,753.12/x
  3. Step 3: Cross multiply
    935,572,233.95x = 1,290,883,275.45 × 553,904,753.12
  4. Step 4: Simplify right side
    935,572,233.95x = 715,026,381,988,414,848
  5. Step 5: Solve for x
    x = 715,026,381,988,414,848/935,572,233.95
  6. Step 6: Final answer
    x = 764,266,355.97

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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.