Home / 397,889,764.38-548,715,429.36-314,457,212.07

Finding the Fourth Proportional to 397,889,764.38, 548,715,429.36 and 314,457,212.07

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Solution

The fourth proportional to 397,889,764.38, 548,715,429.36 and 314,457,212.07 is: 433,656,604.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,889,764.38 : 548,715,429.36 = 314,457,212.07 : x
  2. Step 2: Convert to fraction form
    397,889,764.38/548,715,429.36 = 314,457,212.07/x
  3. Step 3: Cross multiply
    397,889,764.38x = 548,715,429.36 × 314,457,212.07
  4. Step 4: Simplify right side
    397,889,764.38x = 172,547,524,136,338,624
  5. Step 5: Solve for x
    x = 172,547,524,136,338,624/397,889,764.38
  6. Step 6: Final answer
    x = 433,656,604.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.