Home / 255,168,001.20-382,752,001.80-219,336,193.20

Finding the Fourth Proportional to 255,168,001.20, 382,752,001.80 and 219,336,193.20

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Solution

The fourth proportional to 255,168,001.20, 382,752,001.80 and 219,336,193.20 is: 329,004,289.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,168,001.20 : 382,752,001.80 = 219,336,193.20 : x
  2. Step 2: Convert to fraction form
    255,168,001.20/382,752,001.80 = 219,336,193.20/x
  3. Step 3: Cross multiply
    255,168,001.20x = 382,752,001.80 × 219,336,193.20
  4. Step 4: Simplify right side
    255,168,001.20x = 83,951,367,014,491,552
  5. Step 5: Solve for x
    x = 83,951,367,014,491,552/255,168,001.20
  6. Step 6: Final answer
    x = 329,004,289.80

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1.5x scale

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.