Home / 487,950,505.86-731,934,506.82-177,278,757.78

Finding the Fourth Proportional to 487,950,505.86, 731,934,506.82 and 177,278,757.78

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Solution

The fourth proportional to 487,950,505.86, 731,934,506.82 and 177,278,757.78 is: 265,921,314.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,950,505.86 : 731,934,506.82 = 177,278,757.78 : x
  2. Step 2: Convert to fraction form
    487,950,505.86/731,934,506.82 = 177,278,757.78/x
  3. Step 3: Cross multiply
    487,950,505.86x = 731,934,506.82 × 177,278,757.78
  4. Step 4: Simplify right side
    487,950,505.86x = 129,756,440,145,366,544
  5. Step 5: Solve for x
    x = 129,756,440,145,366,544/487,950,505.86
  6. Step 6: Final answer
    x = 265,921,314.94

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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.