Home / 285,201,652,403.98-393,587,719,148.03-156,747,654,136.73

Finding the Fourth Proportional to 285,201,652,403.98, 393,587,719,148.03 and 156,747,654,136.73

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Solution

The fourth proportional to 285,201,652,403.98, 393,587,719,148.03 and 156,747,654,136.73 is: 216,316,950,317.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,201,652,403.98 : 393,587,719,148.03 = 156,747,654,136.73 : x
  2. Step 2: Convert to fraction form
    285,201,652,403.98/393,587,719,148.03 = 156,747,654,136.73/x
  3. Step 3: Cross multiply
    285,201,652,403.98x = 393,587,719,148.03 × 156,747,654,136.73
  4. Step 4: Simplify right side
    285,201,652,403.98x = 61,693,951,673,479,842,496,512
  5. Step 5: Solve for x
    x = 61,693,951,673,479,842,496,512/285,201,652,403.98
  6. Step 6: Final answer
    x = 216,316,950,317.29

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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.