Home / 453,313,896.30-679,970,844.45-146,637,009.90

Finding the Fourth Proportional to 453,313,896.30, 679,970,844.45 and 146,637,009.90

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Solution

The fourth proportional to 453,313,896.30, 679,970,844.45 and 146,637,009.90 is: 219,955,514.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,313,896.30 : 679,970,844.45 = 146,637,009.90 : x
  2. Step 2: Convert to fraction form
    453,313,896.30/679,970,844.45 = 146,637,009.90/x
  3. Step 3: Cross multiply
    453,313,896.30x = 679,970,844.45 × 146,637,009.90
  4. Step 4: Simplify right side
    453,313,896.30x = 99,708,891,449,326,016
  5. Step 5: Solve for x
    x = 99,708,891,449,326,016/453,313,896.30
  6. Step 6: Final answer
    x = 219,955,514.85

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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.