Home / 482,916,656.80-724,374,985.20-445,609,498.60

Finding the Fourth Proportional to 482,916,656.80, 724,374,985.20 and 445,609,498.60

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Solution

The fourth proportional to 482,916,656.80, 724,374,985.20 and 445,609,498.60 is: 668,414,247.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,916,656.80 : 724,374,985.20 = 445,609,498.60 : x
  2. Step 2: Convert to fraction form
    482,916,656.80/724,374,985.20 = 445,609,498.60/x
  3. Step 3: Cross multiply
    482,916,656.80x = 724,374,985.20 × 445,609,498.60
  4. Step 4: Simplify right side
    482,916,656.80x = 322,788,373,953,354,432
  5. Step 5: Solve for x
    x = 322,788,373,953,354,432/482,916,656.80
  6. Step 6: Final answer
    x = 668,414,247.90

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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.