Home / 10,218,397,869.04-15,327,532,485.60-5,498,942,867.68

Finding the Fourth Proportional to 10,218,397,869.04, 15,327,532,485.60 and 5,498,942,867.68

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Solution

The fourth proportional to 10,218,397,869.04, 15,327,532,485.60 and 5,498,942,867.68 is: 8,248,379,689.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,218,397,869.04 : 15,327,532,485.60 = 5,498,942,867.68 : x
  2. Step 2: Convert to fraction form
    10,218,397,869.04/15,327,532,485.60 = 5,498,942,867.68/x
  3. Step 3: Cross multiply
    10,218,397,869.04x = 15,327,532,485.60 × 5,498,942,867.68
  4. Step 4: Simplify right side
    10,218,397,869.04x = 84,285,225,440,823,623,680
  5. Step 5: Solve for x
    x = 84,285,225,440,823,623,680/10,218,397,869.04
  6. Step 6: Final answer
    x = 8,248,379,689.36

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.