Home / 285,201,652,291.50-393,587,718,992.88-156,747,654,024.26

Finding the Fourth Proportional to 285,201,652,291.50, 393,587,718,992.88 and 156,747,654,024.26

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Solution

The fourth proportional to 285,201,652,291.50, 393,587,718,992.88 and 156,747,654,024.26 is: 216,316,950,162.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,201,652,291.50 : 393,587,718,992.88 = 156,747,654,024.26 : x
  2. Step 2: Convert to fraction form
    285,201,652,291.50/393,587,718,992.88 = 156,747,654,024.26/x
  3. Step 3: Cross multiply
    285,201,652,291.50x = 393,587,718,992.88 × 156,747,654,024.26
  4. Step 4: Simplify right side
    285,201,652,291.50x = 61,693,951,604,893,627,187,200
  5. Step 5: Solve for x
    x = 61,693,951,604,893,627,187,200/285,201,652,291.50
  6. Step 6: Final answer
    x = 216,316,950,162.12

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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.