Home / 311,931,026.70-468,904,309.65-287,744,556.30

Finding the Fourth Proportional to 311,931,026.70, 468,904,309.65 and 287,744,556.30

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Solution

The fourth proportional to 311,931,026.70, 468,904,309.65 and 287,744,556.30 is: 432,546,463.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,931,026.70 : 468,904,309.65 = 287,744,556.30 : x
  2. Step 2: Convert to fraction form
    311,931,026.70/468,904,309.65 = 287,744,556.30/x
  3. Step 3: Cross multiply
    311,931,026.70x = 468,904,309.65 × 287,744,556.30
  4. Step 4: Simplify right side
    311,931,026.70x = 134,924,662,527,397,056
  5. Step 5: Solve for x
    x = 134,924,662,527,397,056/311,931,026.70
  6. Step 6: Final answer
    x = 432,546,463.73

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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.