Home / 28,327,270,517.46-39,092,177,432.73-15,467,420,360.00

Finding the Fourth Proportional to 28,327,270,517.46, 39,092,177,432.73 and 15,467,420,360.00

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Solution

The fourth proportional to 28,327,270,517.46, 39,092,177,432.73 and 15,467,420,360.00 is: 21,345,337,199.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,327,270,517.46 : 39,092,177,432.73 = 15,467,420,360.00 : x
  2. Step 2: Convert to fraction form
    28,327,270,517.46/39,092,177,432.73 = 15,467,420,360.00/x
  3. Step 3: Cross multiply
    28,327,270,517.46x = 39,092,177,432.73 × 15,467,420,360.00
  4. Step 4: Simplify right side
    28,327,270,517.46x = 604,655,141,139,545,194,496
  5. Step 5: Solve for x
    x = 604,655,141,139,545,194,496/28,327,270,517.46
  6. Step 6: Final answer
    x = 21,345,337,199.60

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Double scale
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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.