Home / 515,002,367.48-710,721,956.20-295,028,308.76

Finding the Fourth Proportional to 515,002,367.48, 710,721,956.20 and 295,028,308.76

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Solution

The fourth proportional to 515,002,367.48, 710,721,956.20 and 295,028,308.76 is: 407,149,772.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,002,367.48 : 710,721,956.20 = 295,028,308.76 : x
  2. Step 2: Convert to fraction form
    515,002,367.48/710,721,956.20 = 295,028,308.76/x
  3. Step 3: Cross multiply
    515,002,367.48x = 710,721,956.20 × 295,028,308.76
  4. Step 4: Simplify right side
    515,002,367.48x = 209,683,096,736,284,800
  5. Step 5: Solve for x
    x = 209,683,096,736,284,800/515,002,367.48
  6. Step 6: Final answer
    x = 407,149,772.46

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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.