Home / 639,527,853,875.42-959,299,150,105.02-231,145,242,146.08

Finding the Fourth Proportional to 639,527,853,875.42, 959,299,150,105.02 and 231,145,242,146.08

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Solution

The fourth proportional to 639,527,853,875.42, 959,299,150,105.02 and 231,145,242,146.08 is: 346,720,526,710.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,527,853,875.42 : 959,299,150,105.02 = 231,145,242,146.08 : x
  2. Step 2: Convert to fraction form
    639,527,853,875.42/959,299,150,105.02 = 231,145,242,146.08/x
  3. Step 3: Cross multiply
    639,527,853,875.42x = 959,299,150,105.02 × 231,145,242,146.08
  4. Step 4: Simplify right side
    639,527,853,875.42x = 221,737,434,341,553,591,025,664
  5. Step 5: Solve for x
    x = 221,737,434,341,553,591,025,664/639,527,853,875.42
  6. Step 6: Final answer
    x = 346,720,526,710.24

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.