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Finding the Fourth Proportional to 1,399,889,167.57, 2,098,366,978.65 and 652,288,582

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Solution

The fourth proportional to 1,399,889,167.57, 2,098,366,978.65 and 652,288,582 is: 977,749,419.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,889,167.57 : 2,098,366,978.65 = 652,288,582 : x
  2. Step 2: Convert to fraction form
    1,399,889,167.57/2,098,366,978.65 = 652,288,582/x
  3. Step 3: Cross multiply
    1,399,889,167.57x = 2,098,366,978.65 × 652,288,582
  4. Step 4: Simplify right side
    1,399,889,167.57x = 1,368,740,821,019,232,768
  5. Step 5: Solve for x
    x = 1,368,740,821,019,232,768/1,399,889,167.57
  6. Step 6: Final answer
    x = 977,749,419.55

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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.