Home / 497,617,635.84-746,423,796.44-129,152,318.64

Finding the Fourth Proportional to 497,617,635.84, 746,423,796.44 and 129,152,318.64

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Solution

The fourth proportional to 497,617,635.84, 746,423,796.44 and 129,152,318.64 is: 193,727,788.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,617,635.84 : 746,423,796.44 = 129,152,318.64 : x
  2. Step 2: Convert to fraction form
    497,617,635.84/746,423,796.44 = 129,152,318.64/x
  3. Step 3: Cross multiply
    497,617,635.84x = 746,423,796.44 × 129,152,318.64
  4. Step 4: Simplify right side
    497,617,635.84x = 96,402,363,998,297,392
  5. Step 5: Solve for x
    x = 96,402,363,998,297,392/497,617,635.84
  6. Step 6: Final answer
    x = 193,727,788.28

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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.