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Finding the Fourth Proportional to 1,070,986,098.60, 1,606,479,147.90 and 744,468,748.20

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Solution

The fourth proportional to 1,070,986,098.60, 1,606,479,147.90 and 744,468,748.20 is: 1,116,703,122.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,986,098.60 : 1,606,479,147.90 = 744,468,748.20 : x
  2. Step 2: Convert to fraction form
    1,070,986,098.60/1,606,479,147.90 = 744,468,748.20/x
  3. Step 3: Cross multiply
    1,070,986,098.60x = 1,606,479,147.90 × 744,468,748.20
  4. Step 4: Simplify right side
    1,070,986,098.60x = 1,195,973,520,246,515,712
  5. Step 5: Solve for x
    x = 1,195,973,520,246,515,712/1,070,986,098.60
  6. Step 6: Final answer
    x = 1,116,703,122.30

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Double scale
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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.