Home / 265,775,344.20-398,663,016.30-229,424,779.80

Finding the Fourth Proportional to 265,775,344.20, 398,663,016.30 and 229,424,779.80

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Solution

The fourth proportional to 265,775,344.20, 398,663,016.30 and 229,424,779.80 is: 344,137,169.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,775,344.20 : 398,663,016.30 = 229,424,779.80 : x
  2. Step 2: Convert to fraction form
    265,775,344.20/398,663,016.30 = 229,424,779.80/x
  3. Step 3: Cross multiply
    265,775,344.20x = 398,663,016.30 × 229,424,779.80
  4. Step 4: Simplify right side
    265,775,344.20x = 91,463,174,729,031,312
  5. Step 5: Solve for x
    x = 91,463,174,729,031,312/265,775,344.20
  6. Step 6: Final answer
    x = 344,137,169.70

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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.