Home / 769,836,831.20-1,154,755,246.80-524,948,818.40

Finding the Fourth Proportional to 769,836,831.20, 1,154,755,246.80 and 524,948,818.40

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Solution

The fourth proportional to 769,836,831.20, 1,154,755,246.80 and 524,948,818.40 is: 787,423,227.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,836,831.20 : 1,154,755,246.80 = 524,948,818.40 : x
  2. Step 2: Convert to fraction form
    769,836,831.20/1,154,755,246.80 = 524,948,818.40/x
  3. Step 3: Cross multiply
    769,836,831.20x = 1,154,755,246.80 × 524,948,818.40
  4. Step 4: Simplify right side
    769,836,831.20x = 606,187,402,348,860,288
  5. Step 5: Solve for x
    x = 606,187,402,348,860,288/769,836,831.20
  6. Step 6: Final answer
    x = 787,423,227.60

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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.