Home / 401,524,872.70-602,287,309.05-299,488,200.70

Finding the Fourth Proportional to 401,524,872.70, 602,287,309.05 and 299,488,200.70

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Solution

The fourth proportional to 401,524,872.70, 602,287,309.05 and 299,488,200.70 is: 449,232,301.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,524,872.70 : 602,287,309.05 = 299,488,200.70 : x
  2. Step 2: Convert to fraction form
    401,524,872.70/602,287,309.05 = 299,488,200.70/x
  3. Step 3: Cross multiply
    401,524,872.70x = 602,287,309.05 × 299,488,200.70
  4. Step 4: Simplify right side
    401,524,872.70x = 180,377,942,491,829,312
  5. Step 5: Solve for x
    x = 180,377,942,491,829,312/401,524,872.70
  6. Step 6: Final answer
    x = 449,232,301.05

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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.