Home / 386,331,100.12-533,275,593.92-229,697,833.43

Finding the Fourth Proportional to 386,331,100.12, 533,275,593.92 and 229,697,833.43

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Solution

The fourth proportional to 386,331,100.12, 533,275,593.92 and 229,697,833.43 is: 317,065,461.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,331,100.12 : 533,275,593.92 = 229,697,833.43 : x
  2. Step 2: Convert to fraction form
    386,331,100.12/533,275,593.92 = 229,697,833.43/x
  3. Step 3: Cross multiply
    386,331,100.12x = 533,275,593.92 × 229,697,833.43
  4. Step 4: Simplify right side
    386,331,100.12x = 122,492,248,545,566,544
  5. Step 5: Solve for x
    x = 122,492,248,545,566,544/386,331,100.12
  6. Step 6: Final answer
    x = 317,065,461.48

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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.