Home / 487,293,996.67-730,889,179.47-137,531,416.93

Finding the Fourth Proportional to 487,293,996.67, 730,889,179.47 and 137,531,416.93

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Solution

The fourth proportional to 487,293,996.67, 730,889,179.47 and 137,531,416.93 is: 206,282,501.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,293,996.67 : 730,889,179.47 = 137,531,416.93 : x
  2. Step 2: Convert to fraction form
    487,293,996.67/730,889,179.47 = 137,531,416.93/x
  3. Step 3: Cross multiply
    487,293,996.67x = 730,889,179.47 × 137,531,416.93
  4. Step 4: Simplify right side
    487,293,996.67x = 100,520,224,469,486,960
  5. Step 5: Solve for x
    x = 100,520,224,469,486,960/487,293,996.67
  6. Step 6: Final answer
    x = 206,282,501.24

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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.