Home / 487,933,337.16-673,348,008.78-267,916,763.16

Finding the Fourth Proportional to 487,933,337.16, 673,348,008.78 and 267,916,763.16

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Solution

The fourth proportional to 487,933,337.16, 673,348,008.78 and 267,916,763.16 is: 369,725,135.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,933,337.16 : 673,348,008.78 = 267,916,763.16 : x
  2. Step 2: Convert to fraction form
    487,933,337.16/673,348,008.78 = 267,916,763.16/x
  3. Step 3: Cross multiply
    487,933,337.16x = 673,348,008.78 × 267,916,763.16
  4. Step 4: Simplify right side
    487,933,337.16x = 180,401,218,992,568,864
  5. Step 5: Solve for x
    x = 180,401,218,992,568,864/487,933,337.16
  6. Step 6: Final answer
    x = 369,725,135.08

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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.