Home / 257,520,470.10-386,280,705.15-247,476,235.20

Finding the Fourth Proportional to 257,520,470.10, 386,280,705.15 and 247,476,235.20

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Solution

The fourth proportional to 257,520,470.10, 386,280,705.15 and 247,476,235.20 is: 371,214,352.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,520,470.10 : 386,280,705.15 = 247,476,235.20 : x
  2. Step 2: Convert to fraction form
    257,520,470.10/386,280,705.15 = 247,476,235.20/x
  3. Step 3: Cross multiply
    257,520,470.10x = 386,280,705.15 × 247,476,235.20
  4. Step 4: Simplify right side
    257,520,470.10x = 95,595,294,640,923,248
  5. Step 5: Solve for x
    x = 95,595,294,640,923,248/257,520,470.10
  6. Step 6: Final answer
    x = 371,214,352.80

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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.