Home / 442,868,562.40-664,302,843.60-270,681,678.40

Finding the Fourth Proportional to 442,868,562.40, 664,302,843.60 and 270,681,678.40

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Solution

The fourth proportional to 442,868,562.40, 664,302,843.60 and 270,681,678.40 is: 406,022,517.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,868,562.40 : 664,302,843.60 = 270,681,678.40 : x
  2. Step 2: Convert to fraction form
    442,868,562.40/664,302,843.60 = 270,681,678.40/x
  3. Step 3: Cross multiply
    442,868,562.40x = 664,302,843.60 × 270,681,678.40
  4. Step 4: Simplify right side
    442,868,562.40x = 179,814,608,671,540,704
  5. Step 5: Solve for x
    x = 179,814,608,671,540,704/442,868,562.40
  6. Step 6: Final answer
    x = 406,022,517.60

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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.