Home / 729,039,713.96-1,006,077,454.18-394,512,201.16

Finding the Fourth Proportional to 729,039,713.96, 1,006,077,454.18 and 394,512,201.16

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Solution

The fourth proportional to 729,039,713.96, 1,006,077,454.18 and 394,512,201.16 is: 544,428,271.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,039,713.96 : 1,006,077,454.18 = 394,512,201.16 : x
  2. Step 2: Convert to fraction form
    729,039,713.96/1,006,077,454.18 = 394,512,201.16/x
  3. Step 3: Cross multiply
    729,039,713.96x = 1,006,077,454.18 × 394,512,201.16
  4. Step 4: Simplify right side
    729,039,713.96x = 396,909,830,982,499,392
  5. Step 5: Solve for x
    x = 396,909,830,982,499,392/729,039,713.96
  6. Step 6: Final answer
    x = 544,428,271.03

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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.