Home / 580,097,771.68-800,535,011.28-315,781,771.29

Finding the Fourth Proportional to 580,097,771.68, 800,535,011.28 and 315,781,771.29

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Solution

The fourth proportional to 580,097,771.68, 800,535,011.28 and 315,781,771.29 is: 435,778,891.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,097,771.68 : 800,535,011.28 = 315,781,771.29 : x
  2. Step 2: Convert to fraction form
    580,097,771.68/800,535,011.28 = 315,781,771.29/x
  3. Step 3: Cross multiply
    580,097,771.68x = 800,535,011.28 × 315,781,771.29
  4. Step 4: Simplify right side
    580,097,771.68x = 252,794,363,838,445,344
  5. Step 5: Solve for x
    x = 252,794,363,838,445,344/580,097,771.68
  6. Step 6: Final answer
    x = 435,778,891.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.