Home / 891,648,337.70-1,337,472,506.55-309,189,001.70

Finding the Fourth Proportional to 891,648,337.70, 1,337,472,506.55 and 309,189,001.70

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Solution

The fourth proportional to 891,648,337.70, 1,337,472,506.55 and 309,189,001.70 is: 463,783,502.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,648,337.70 : 1,337,472,506.55 = 309,189,001.70 : x
  2. Step 2: Convert to fraction form
    891,648,337.70/1,337,472,506.55 = 309,189,001.70/x
  3. Step 3: Cross multiply
    891,648,337.70x = 1,337,472,506.55 × 309,189,001.70
  4. Step 4: Simplify right side
    891,648,337.70x = 413,531,789,101,391,168
  5. Step 5: Solve for x
    x = 413,531,789,101,391,168/891,648,337.70
  6. Step 6: Final answer
    x = 463,783,502.55

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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.