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Finding the Fourth Proportional to 1,662,863,921.55, 2,493,978,001.80 and 498,332,412.60

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Solution

The fourth proportional to 1,662,863,921.55, 2,493,978,001.80 and 498,332,412.60 is: 747,403,355.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,662,863,921.55 : 2,493,978,001.80 = 498,332,412.60 : x
  2. Step 2: Convert to fraction form
    1,662,863,921.55/2,493,978,001.80 = 498,332,412.60/x
  3. Step 3: Cross multiply
    1,662,863,921.55x = 2,493,978,001.80 × 498,332,412.60
  4. Step 4: Simplify right side
    1,662,863,921.55x = 1,242,830,074,608,321,280
  5. Step 5: Solve for x
    x = 1,242,830,074,608,321,280/1,662,863,921.55
  6. Step 6: Final answer
    x = 747,403,355.44

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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.