Home / 579,177,214.40-868,765,821.60-415,068,233.60

Finding the Fourth Proportional to 579,177,214.40, 868,765,821.60 and 415,068,233.60

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Solution

The fourth proportional to 579,177,214.40, 868,765,821.60 and 415,068,233.60 is: 622,602,350.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,177,214.40 : 868,765,821.60 = 415,068,233.60 : x
  2. Step 2: Convert to fraction form
    579,177,214.40/868,765,821.60 = 415,068,233.60/x
  3. Step 3: Cross multiply
    579,177,214.40x = 868,765,821.60 × 415,068,233.60
  4. Step 4: Simplify right side
    579,177,214.40x = 360,597,094,983,564,736
  5. Step 5: Solve for x
    x = 360,597,094,983,564,736/579,177,214.40
  6. Step 6: Final answer
    x = 622,602,350.40

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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.