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Finding the Fourth Proportional to 663,200,356.60, 992,887,347.30 and 663,200,356.60

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Solution

The fourth proportional to 663,200,356.60, 992,887,347.30 and 663,200,356.60 is: 992,887,347.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,200,356.60 : 992,887,347.30 = 663,200,356.60 : x
  2. Step 2: Convert to fraction form
    663,200,356.60/992,887,347.30 = 663,200,356.60/x
  3. Step 3: Cross multiply
    663,200,356.60x = 992,887,347.30 × 663,200,356.60
  4. Step 4: Simplify right side
    663,200,356.60x = 658,483,242,792,988,032
  5. Step 5: Solve for x
    x = 658,483,242,792,988,032/663,200,356.60
  6. Step 6: Final answer
    x = 992,887,347.30

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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.