Home / 359,173,022.80-537,414,286.20-255,781,253.20

Finding the Fourth Proportional to 359,173,022.80, 537,414,286.20 and 255,781,253.20

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Solution

The fourth proportional to 359,173,022.80, 537,414,286.20 and 255,781,253.20 is: 382,713,875.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,173,022.80 : 537,414,286.20 = 255,781,253.20 : x
  2. Step 2: Convert to fraction form
    359,173,022.80/537,414,286.20 = 255,781,253.20/x
  3. Step 3: Cross multiply
    359,173,022.80x = 537,414,286.20 × 255,781,253.20
  4. Step 4: Simplify right side
    359,173,022.80x = 137,460,499,611,819,472
  5. Step 5: Solve for x
    x = 137,460,499,611,819,472/359,173,022.80
  6. Step 6: Final answer
    x = 382,713,875.73

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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.