Home / 510,964,597.40-766,435,829.88-142,489,717.61

Finding the Fourth Proportional to 510,964,597.40, 766,435,829.88 and 142,489,717.61

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Solution

The fourth proportional to 510,964,597.40, 766,435,829.88 and 142,489,717.61 is: 213,731,490.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,964,597.40 : 766,435,829.88 = 142,489,717.61 : x
  2. Step 2: Convert to fraction form
    510,964,597.40/766,435,829.88 = 142,489,717.61/x
  3. Step 3: Cross multiply
    510,964,597.40x = 766,435,829.88 × 142,489,717.61
  4. Step 4: Simplify right side
    510,964,597.40x = 109,209,224,965,787,216
  5. Step 5: Solve for x
    x = 109,209,224,965,787,216/510,964,597.40
  6. Step 6: Final answer
    x = 213,731,490.44

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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.