Home / 328,747,806.92-453,453,476.10-211,421,555.48

Finding the Fourth Proportional to 328,747,806.92, 453,453,476.10 and 211,421,555.48

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Solution

The fourth proportional to 328,747,806.92, 453,453,476.10 and 211,421,555.48 is: 291,621,228.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,747,806.92 : 453,453,476.10 = 211,421,555.48 : x
  2. Step 2: Convert to fraction form
    328,747,806.92/453,453,476.10 = 211,421,555.48/x
  3. Step 3: Cross multiply
    328,747,806.92x = 453,453,476.10 × 211,421,555.48
  4. Step 4: Simplify right side
    328,747,806.92x = 95,869,839,252,607,744
  5. Step 5: Solve for x
    x = 95,869,839,252,607,744/328,747,806.92
  6. Step 6: Final answer
    x = 291,621,228.30

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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.