Home / 266,976,007.65-400,464,011.48-209,645,114.85

Finding the Fourth Proportional to 266,976,007.65, 400,464,011.48 and 209,645,114.85

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Solution

The fourth proportional to 266,976,007.65, 400,464,011.48 and 209,645,114.85 is: 314,467,672.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,976,007.65 : 400,464,011.48 = 209,645,114.85 : x
  2. Step 2: Convert to fraction form
    266,976,007.65/400,464,011.48 = 209,645,114.85/x
  3. Step 3: Cross multiply
    266,976,007.65x = 400,464,011.48 × 209,645,114.85
  4. Step 4: Simplify right side
    266,976,007.65x = 83,955,323,678,968,096
  5. Step 5: Solve for x
    x = 83,955,323,678,968,096/266,976,007.65
  6. Step 6: Final answer
    x = 314,467,672.28

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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.