Home / 727,471,352.70-1,091,207,029.05-437,233,707.90

Finding the Fourth Proportional to 727,471,352.70, 1,091,207,029.05 and 437,233,707.90

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Solution

The fourth proportional to 727,471,352.70, 1,091,207,029.05 and 437,233,707.90 is: 655,850,561.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,471,352.70 : 1,091,207,029.05 = 437,233,707.90 : x
  2. Step 2: Convert to fraction form
    727,471,352.70/1,091,207,029.05 = 437,233,707.90/x
  3. Step 3: Cross multiply
    727,471,352.70x = 1,091,207,029.05 × 437,233,707.90
  4. Step 4: Simplify right side
    727,471,352.70x = 477,112,495,398,074,496
  5. Step 5: Solve for x
    x = 477,112,495,398,074,496/727,471,352.70
  6. Step 6: Final answer
    x = 655,850,561.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.