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Finding the Fourth Proportional to 1,443,594,229.02, 1,992,106,691.91 and 783,530,335.26

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Solution

The fourth proportional to 1,443,594,229.02, 1,992,106,691.91 and 783,530,335.26 is: 1,081,242,909.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,594,229.02 : 1,992,106,691.91 = 783,530,335.26 : x
  2. Step 2: Convert to fraction form
    1,443,594,229.02/1,992,106,691.91 = 783,530,335.26/x
  3. Step 3: Cross multiply
    1,443,594,229.02x = 1,992,106,691.91 × 783,530,335.26
  4. Step 4: Simplify right side
    1,443,594,229.02x = 1,560,876,024,185,931,776
  5. Step 5: Solve for x
    x = 1,560,876,024,185,931,776/1,443,594,229.02
  6. Step 6: Final answer
    x = 1,081,242,909.41

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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.