Home / 285,201,652,404.73-393,587,719,149.06-156,747,654,137.47

Finding the Fourth Proportional to 285,201,652,404.73, 393,587,719,149.06 and 156,747,654,137.47

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Solution

The fourth proportional to 285,201,652,404.73, 393,587,719,149.06 and 156,747,654,137.47 is: 216,316,950,318.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,201,652,404.73 : 393,587,719,149.06 = 156,747,654,137.47 : x
  2. Step 2: Convert to fraction form
    285,201,652,404.73/393,587,719,149.06 = 156,747,654,137.47/x
  3. Step 3: Cross multiply
    285,201,652,404.73x = 393,587,719,149.06 × 156,747,654,137.47
  4. Step 4: Simplify right side
    285,201,652,404.73x = 61,693,951,673,932,533,727,232
  5. Step 5: Solve for x
    x = 61,693,951,673,932,533,727,232/285,201,652,404.73
  6. Step 6: Final answer
    x = 216,316,950,318.31

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1.5x scale

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.