Home / 639,527,853,869.45-959,299,150,096.05-231,145,242,140.08

Finding the Fourth Proportional to 639,527,853,869.45, 959,299,150,096.05 and 231,145,242,140.08

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Solution

The fourth proportional to 639,527,853,869.45, 959,299,150,096.05 and 231,145,242,140.08 is: 346,720,526,701.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,527,853,869.45 : 959,299,150,096.05 = 231,145,242,140.08 : x
  2. Step 2: Convert to fraction form
    639,527,853,869.45/959,299,150,096.05 = 231,145,242,140.08/x
  3. Step 3: Cross multiply
    639,527,853,869.45x = 959,299,150,096.05 × 231,145,242,140.08
  4. Step 4: Simplify right side
    639,527,853,869.45x = 221,737,434,333,724,436,070,400
  5. Step 5: Solve for x
    x = 221,737,434,333,724,436,070,400/639,527,853,869.45
  6. Step 6: Final answer
    x = 346,720,526,701.23

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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.