Home / 257,520,003.60-386,280,005.40-247,475,768.70

Finding the Fourth Proportional to 257,520,003.60, 386,280,005.40 and 247,475,768.70

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Solution

The fourth proportional to 257,520,003.60, 386,280,005.40 and 247,475,768.70 is: 371,213,653.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,520,003.60 : 386,280,005.40 = 247,475,768.70 : x
  2. Step 2: Convert to fraction form
    257,520,003.60/386,280,005.40 = 247,475,768.70/x
  3. Step 3: Cross multiply
    257,520,003.60x = 386,280,005.40 × 247,475,768.70
  4. Step 4: Simplify right side
    257,520,003.60x = 95,594,941,269,805,136
  5. Step 5: Solve for x
    x = 95,594,941,269,805,136/257,520,003.60
  6. Step 6: Final answer
    x = 371,213,653.05

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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.