Home / 629,858,669.60-944,788,004.40-432,587,770.40

Finding the Fourth Proportional to 629,858,669.60, 944,788,004.40 and 432,587,770.40

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Solution

The fourth proportional to 629,858,669.60, 944,788,004.40 and 432,587,770.40 is: 648,881,655.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,858,669.60 : 944,788,004.40 = 432,587,770.40 : x
  2. Step 2: Convert to fraction form
    629,858,669.60/944,788,004.40 = 432,587,770.40/x
  3. Step 3: Cross multiply
    629,858,669.60x = 944,788,004.40 × 432,587,770.40
  4. Step 4: Simplify right side
    629,858,669.60x = 408,703,736,324,061,376
  5. Step 5: Solve for x
    x = 408,703,736,324,061,376/629,858,669.60
  6. Step 6: Final answer
    x = 648,881,655.60

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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.