Home / 672,425,435.52-1,007,690,007.78-317,521,040.04

Finding the Fourth Proportional to 672,425,435.52, 1,007,690,007.78 and 317,521,040.04

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Solution

The fourth proportional to 672,425,435.52, 1,007,690,007.78 and 317,521,040.04 is: 475,833,843.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,425,435.52 : 1,007,690,007.78 = 317,521,040.04 : x
  2. Step 2: Convert to fraction form
    672,425,435.52/1,007,690,007.78 = 317,521,040.04/x
  3. Step 3: Cross multiply
    672,425,435.52x = 1,007,690,007.78 × 317,521,040.04
  4. Step 4: Simplify right side
    672,425,435.52x = 319,962,779,308,221,312
  5. Step 5: Solve for x
    x = 319,962,779,308,221,312/672,425,435.52
  6. Step 6: Final answer
    x = 475,833,843.29

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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.