Home / 765,587,372.05-1,148,585,420.93-274,350,298.89

Finding the Fourth Proportional to 765,587,372.05, 1,148,585,420.93 and 274,350,298.89

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Solution

The fourth proportional to 765,587,372.05, 1,148,585,420.93 and 274,350,298.89 is: 411,598,682.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,587,372.05 : 1,148,585,420.93 = 274,350,298.89 : x
  2. Step 2: Convert to fraction form
    765,587,372.05/1,148,585,420.93 = 274,350,298.89/x
  3. Step 3: Cross multiply
    765,587,372.05x = 1,148,585,420.93 × 274,350,298.89
  4. Step 4: Simplify right side
    765,587,372.05x = 315,114,753,529,872,704
  5. Step 5: Solve for x
    x = 315,114,753,529,872,704/765,587,372.05
  6. Step 6: Final answer
    x = 411,598,682.31

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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.