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Finding the Fourth Proportional to 1,344,693,064.56, 1,855,678,905.26 and 750,015,879.32

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Solution

The fourth proportional to 1,344,693,064.56, 1,855,678,905.26 and 750,015,879.32 is: 1,035,023,294.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,693,064.56 : 1,855,678,905.26 = 750,015,879.32 : x
  2. Step 2: Convert to fraction form
    1,344,693,064.56/1,855,678,905.26 = 750,015,879.32/x
  3. Step 3: Cross multiply
    1,344,693,064.56x = 1,855,678,905.26 × 750,015,879.32
  4. Step 4: Simplify right side
    1,344,693,064.56x = 1,391,788,645,864,153,856
  5. Step 5: Solve for x
    x = 1,391,788,645,864,153,856/1,344,693,064.56
  6. Step 6: Final answer
    x = 1,035,023,294.57

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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.