Home / 307,584,000.60-461,376,000.90-287,279,309.40

Finding the Fourth Proportional to 307,584,000.60, 461,376,000.90 and 287,279,309.40

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Solution

The fourth proportional to 307,584,000.60, 461,376,000.90 and 287,279,309.40 is: 430,918,964.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,584,000.60 : 461,376,000.90 = 287,279,309.40 : x
  2. Step 2: Convert to fraction form
    307,584,000.60/461,376,000.90 = 287,279,309.40/x
  3. Step 3: Cross multiply
    307,584,000.60x = 461,376,000.90 × 287,279,309.40
  4. Step 4: Simplify right side
    307,584,000.60x = 132,543,778,912,285,760
  5. Step 5: Solve for x
    x = 132,543,778,912,285,760/307,584,000.60
  6. Step 6: Final answer
    x = 430,918,964.10

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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.