Home / 579,177,209.40-868,765,814.10-415,068,228.60

Finding the Fourth Proportional to 579,177,209.40, 868,765,814.10 and 415,068,228.60

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Solution

The fourth proportional to 579,177,209.40, 868,765,814.10 and 415,068,228.60 is: 622,602,342.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,177,209.40 : 868,765,814.10 = 415,068,228.60 : x
  2. Step 2: Convert to fraction form
    579,177,209.40/868,765,814.10 = 415,068,228.60/x
  3. Step 3: Cross multiply
    579,177,209.40x = 868,765,814.10 × 415,068,228.60
  4. Step 4: Simplify right side
    579,177,209.40x = 360,597,087,526,723,904
  5. Step 5: Solve for x
    x = 360,597,087,526,723,904/579,177,209.40
  6. Step 6: Final answer
    x = 622,602,342.90

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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.