Home / 462,278,833.78-693,656,651.95-216,660,421.76

Finding the Fourth Proportional to 462,278,833.78, 693,656,651.95 and 216,660,421.76

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Solution

The fourth proportional to 462,278,833.78, 693,656,651.95 and 216,660,421.76 is: 325,102,366.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,278,833.78 : 693,656,651.95 = 216,660,421.76 : x
  2. Step 2: Convert to fraction form
    462,278,833.78/693,656,651.95 = 216,660,421.76/x
  3. Step 3: Cross multiply
    462,278,833.78x = 693,656,651.95 × 216,660,421.76
  4. Step 4: Simplify right side
    462,278,833.78x = 150,287,942,768,116,544
  5. Step 5: Solve for x
    x = 150,287,942,768,116,544/462,278,833.78
  6. Step 6: Final answer
    x = 325,102,366.33

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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.