Home / 19,659,369,891.60-29,510,040,095.40-8,472,764,697.06

Finding the Fourth Proportional to 19,659,369,891.60, 29,510,040,095.40 and 8,472,764,697.06

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Solution

The fourth proportional to 19,659,369,891.60, 29,510,040,095.40 and 8,472,764,697.06 is: 12,718,191,239.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,659,369,891.60 : 29,510,040,095.40 = 8,472,764,697.06 : x
  2. Step 2: Convert to fraction form
    19,659,369,891.60/29,510,040,095.40 = 8,472,764,697.06/x
  3. Step 3: Cross multiply
    19,659,369,891.60x = 29,510,040,095.40 × 8,472,764,697.06
  4. Step 4: Simplify right side
    19,659,369,891.60x = 250,031,625,929,130,246,144
  5. Step 5: Solve for x
    x = 250,031,625,929,130,246,144/19,659,369,891.60
  6. Step 6: Final answer
    x = 12,718,191,239.48

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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.