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Finding the Fourth Proportional to 714,756,601.60, 998,618,508.80 and 714,756,601.60

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Solution

The fourth proportional to 714,756,601.60, 998,618,508.80 and 714,756,601.60 is: 998,618,508.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,756,601.60 : 998,618,508.80 = 714,756,601.60 : x
  2. Step 2: Convert to fraction form
    714,756,601.60/998,618,508.80 = 714,756,601.60/x
  3. Step 3: Cross multiply
    714,756,601.60x = 998,618,508.80 × 714,756,601.60
  4. Step 4: Simplify right side
    714,756,601.60x = 713,769,171,644,747,648
  5. Step 5: Solve for x
    x = 713,769,171,644,747,648/714,756,601.60
  6. Step 6: Final answer
    x = 998,618,508.80

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.