Home / 482,916,665.80-724,374,998.70-445,609,507.60

Finding the Fourth Proportional to 482,916,665.80, 724,374,998.70 and 445,609,507.60

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Solution

The fourth proportional to 482,916,665.80, 724,374,998.70 and 445,609,507.60 is: 668,414,261.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,916,665.80 : 724,374,998.70 = 445,609,507.60 : x
  2. Step 2: Convert to fraction form
    482,916,665.80/724,374,998.70 = 445,609,507.60/x
  3. Step 3: Cross multiply
    482,916,665.80x = 724,374,998.70 × 445,609,507.60
  4. Step 4: Simplify right side
    482,916,665.80x = 322,788,386,488,457,664
  5. Step 5: Solve for x
    x = 322,788,386,488,457,664/482,916,665.80
  6. Step 6: Final answer
    x = 668,414,261.40

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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.