Home / 331,769,007.40-497,653,511.10-168,510,332.20

Finding the Fourth Proportional to 331,769,007.40, 497,653,511.10 and 168,510,332.20

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Solution

The fourth proportional to 331,769,007.40, 497,653,511.10 and 168,510,332.20 is: 252,765,498.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,769,007.40 : 497,653,511.10 = 168,510,332.20 : x
  2. Step 2: Convert to fraction form
    331,769,007.40/497,653,511.10 = 168,510,332.20/x
  3. Step 3: Cross multiply
    331,769,007.40x = 497,653,511.10 × 168,510,332.20
  4. Step 4: Simplify right side
    331,769,007.40x = 83,859,758,475,957,392
  5. Step 5: Solve for x
    x = 83,859,758,475,957,392/331,769,007.40
  6. Step 6: Final answer
    x = 252,765,498.30

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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.