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Finding the Fourth Proportional to 1,344,693,065.56, 1,855,678,906.64 and 750,015,880.32

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Solution

The fourth proportional to 1,344,693,065.56, 1,855,678,906.64 and 750,015,880.32 is: 1,035,023,295.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,693,065.56 : 1,855,678,906.64 = 750,015,880.32 : x
  2. Step 2: Convert to fraction form
    1,344,693,065.56/1,855,678,906.64 = 750,015,880.32/x
  3. Step 3: Cross multiply
    1,344,693,065.56x = 1,855,678,906.64 × 750,015,880.32
  4. Step 4: Simplify right side
    1,344,693,065.56x = 1,391,788,648,754,854,912
  5. Step 5: Solve for x
    x = 1,391,788,648,754,854,912/1,344,693,065.56
  6. Step 6: Final answer
    x = 1,035,023,295.95

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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.