Home / 579,177,212.40-868,765,818.60-415,068,231.60

Finding the Fourth Proportional to 579,177,212.40, 868,765,818.60 and 415,068,231.60

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Solution

The fourth proportional to 579,177,212.40, 868,765,818.60 and 415,068,231.60 is: 622,602,347.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,177,212.40 : 868,765,818.60 = 415,068,231.60 : x
  2. Step 2: Convert to fraction form
    579,177,212.40/868,765,818.60 = 415,068,231.60/x
  3. Step 3: Cross multiply
    579,177,212.40x = 868,765,818.60 × 415,068,231.60
  4. Step 4: Simplify right side
    579,177,212.40x = 360,597,092,000,828,416
  5. Step 5: Solve for x
    x = 360,597,092,000,828,416/579,177,212.40
  6. Step 6: Final answer
    x = 622,602,347.40

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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.