Home / 324,309,590.30-487,240,453.57-207,952,915.24

Finding the Fourth Proportional to 324,309,590.30, 487,240,453.57 and 207,952,915.24

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Solution

The fourth proportional to 324,309,590.30, 487,240,453.57 and 207,952,915.24 is: 312,427,001.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,309,590.30 : 487,240,453.57 = 207,952,915.24 : x
  2. Step 2: Convert to fraction form
    324,309,590.30/487,240,453.57 = 207,952,915.24/x
  3. Step 3: Cross multiply
    324,309,590.30x = 487,240,453.57 × 207,952,915.24
  4. Step 4: Simplify right side
    324,309,590.30x = 101,323,072,742,637,136
  5. Step 5: Solve for x
    x = 101,323,072,742,637,136/324,309,590.30
  6. Step 6: Final answer
    x = 312,427,001.15

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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.