Home / 257,519,259.60-386,278,889.40-247,475,024.70

Finding the Fourth Proportional to 257,519,259.60, 386,278,889.40 and 247,475,024.70

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Solution

The fourth proportional to 257,519,259.60, 386,278,889.40 and 247,475,024.70 is: 371,212,537.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,519,259.60 : 386,278,889.40 = 247,475,024.70 : x
  2. Step 2: Convert to fraction form
    257,519,259.60/386,278,889.40 = 247,475,024.70/x
  3. Step 3: Cross multiply
    257,519,259.60x = 386,278,889.40 × 247,475,024.70
  4. Step 4: Simplify right side
    257,519,259.60x = 95,594,377,695,353,552
  5. Step 5: Solve for x
    x = 95,594,377,695,353,552/257,519,259.60
  6. Step 6: Final answer
    x = 371,212,537.05

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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.