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Finding the Fourth Proportional to 1,124,882,375.25, 1,686,708,456.78 and 893,201,335.60

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Solution

The fourth proportional to 1,124,882,375.25, 1,686,708,456.78 and 893,201,335.60 is: 1,339,313,584.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,882,375.25 : 1,686,708,456.78 = 893,201,335.60 : x
  2. Step 2: Convert to fraction form
    1,124,882,375.25/1,686,708,456.78 = 893,201,335.60/x
  3. Step 3: Cross multiply
    1,124,882,375.25x = 1,686,708,456.78 × 893,201,335.60
  4. Step 4: Simplify right side
    1,124,882,375.25x = 1,506,570,246,363,710,976
  5. Step 5: Solve for x
    x = 1,506,570,246,363,710,976/1,124,882,375.25
  6. Step 6: Final answer
    x = 1,339,313,584.70

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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.