Home / 515,002,369.48-710,721,958.96-295,028,310.76

Finding the Fourth Proportional to 515,002,369.48, 710,721,958.96 and 295,028,310.76

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Solution

The fourth proportional to 515,002,369.48, 710,721,958.96 and 295,028,310.76 is: 407,149,775.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,002,369.48 : 710,721,958.96 = 295,028,310.76 : x
  2. Step 2: Convert to fraction form
    515,002,369.48/710,721,958.96 = 295,028,310.76/x
  3. Step 3: Cross multiply
    515,002,369.48x = 710,721,958.96 × 295,028,310.76
  4. Step 4: Simplify right side
    515,002,369.48x = 209,683,098,972,006,848
  5. Step 5: Solve for x
    x = 209,683,098,972,006,848/515,002,369.48
  6. Step 6: Final answer
    x = 407,149,775.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.