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Finding the Fourth Proportional to 1,036,683,691.15, 1,555,025,536.73 and 1,036,683,691.15

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Solution

The fourth proportional to 1,036,683,691.15, 1,555,025,536.73 and 1,036,683,691.15 is: 1,555,025,536.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,683,691.15 : 1,555,025,536.73 = 1,036,683,691.15 : x
  2. Step 2: Convert to fraction form
    1,036,683,691.15/1,555,025,536.73 = 1,036,683,691.15/x
  3. Step 3: Cross multiply
    1,036,683,691.15x = 1,555,025,536.73 × 1,036,683,691.15
  4. Step 4: Simplify right side
    1,036,683,691.15x = 1,612,069,613,249,766,400
  5. Step 5: Solve for x
    x = 1,612,069,613,249,766,400/1,036,683,691.15
  6. Step 6: Final answer
    x = 1,555,025,536.73

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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.