Home / 481,085,873.12-663,898,510-261,069,299.12

Finding the Fourth Proportional to 481,085,873.12, 663,898,510 and 261,069,299.12

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Solution

The fourth proportional to 481,085,873.12, 663,898,510 and 261,069,299.12 is: 360,275,635.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,085,873.12 : 663,898,510 = 261,069,299.12 : x
  2. Step 2: Convert to fraction form
    481,085,873.12/663,898,510 = 261,069,299.12/x
  3. Step 3: Cross multiply
    481,085,873.12x = 663,898,510 × 261,069,299.12
  4. Step 4: Simplify right side
    481,085,873.12x = 173,323,518,692,512,320
  5. Step 5: Solve for x
    x = 173,323,518,692,512,320/481,085,873.12
  6. Step 6: Final answer
    x = 360,275,635.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.