Home / 898,137,645.70-1,347,206,468.55-787,059,040.90

Finding the Fourth Proportional to 898,137,645.70, 1,347,206,468.55 and 787,059,040.90

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Solution

The fourth proportional to 898,137,645.70, 1,347,206,468.55 and 787,059,040.90 is: 1,180,588,561.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,137,645.70 : 1,347,206,468.55 = 787,059,040.90 : x
  2. Step 2: Convert to fraction form
    898,137,645.70/1,347,206,468.55 = 787,059,040.90/x
  3. Step 3: Cross multiply
    898,137,645.70x = 1,347,206,468.55 × 787,059,040.90
  4. Step 4: Simplify right side
    898,137,645.70x = 1,060,331,031,031,238,912
  5. Step 5: Solve for x
    x = 1,060,331,031,031,238,912/898,137,645.70
  6. Step 6: Final answer
    x = 1,180,588,561.35

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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.