Home / 340,005,701.20-509,158,246.20-271,981,253.20

Finding the Fourth Proportional to 340,005,701.20, 509,158,246.20 and 271,981,253.20

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Solution

The fourth proportional to 340,005,701.20, 509,158,246.20 and 271,981,253.20 is: 407,291,693.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,005,701.20 : 509,158,246.20 = 271,981,253.20 : x
  2. Step 2: Convert to fraction form
    340,005,701.20/509,158,246.20 = 271,981,253.20/x
  3. Step 3: Cross multiply
    340,005,701.20x = 509,158,246.20 × 271,981,253.20
  4. Step 4: Simplify right side
    340,005,701.20x = 138,481,497,878,590,128
  5. Step 5: Solve for x
    x = 138,481,497,878,590,128/340,005,701.20
  6. Step 6: Final answer
    x = 407,291,693.61

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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.