Home / 28,327,270,405.86-39,092,177,279.18-15,467,420,248.88

Finding the Fourth Proportional to 28,327,270,405.86, 39,092,177,279.18 and 15,467,420,248.88

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Solution

The fourth proportional to 28,327,270,405.86, 39,092,177,279.18 and 15,467,420,248.88 is: 21,345,337,046.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,327,270,405.86 : 39,092,177,279.18 = 15,467,420,248.88 : x
  2. Step 2: Convert to fraction form
    28,327,270,405.86/39,092,177,279.18 = 15,467,420,248.88/x
  3. Step 3: Cross multiply
    28,327,270,405.86x = 39,092,177,279.18 × 15,467,420,248.88
  4. Step 4: Simplify right side
    28,327,270,405.86x = 604,655,134,420,661,829,632
  5. Step 5: Solve for x
    x = 604,655,134,420,661,829,632/28,327,270,405.86
  6. Step 6: Final answer
    x = 21,345,337,046.51

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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.