Home / 497,976,010.76-687,210,217.08-271,916,563.95

Finding the Fourth Proportional to 497,976,010.76, 687,210,217.08 and 271,916,563.95

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Solution

The fourth proportional to 497,976,010.76, 687,210,217.08 and 271,916,563.95 is: 375,246,672.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,976,010.76 : 687,210,217.08 = 271,916,563.95 : x
  2. Step 2: Convert to fraction form
    497,976,010.76/687,210,217.08 = 271,916,563.95/x
  3. Step 3: Cross multiply
    497,976,010.76x = 687,210,217.08 × 271,916,563.95
  4. Step 4: Simplify right side
    497,976,010.76x = 186,863,840,939,727,200
  5. Step 5: Solve for x
    x = 186,863,840,939,727,200/497,976,010.76
  6. Step 6: Final answer
    x = 375,246,672.34

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1.5x scale

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.