Home / 492,154,201.80-738,514,737.90-185,666,272.20

Finding the Fourth Proportional to 492,154,201.80, 738,514,737.90 and 185,666,272.20

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Solution

The fourth proportional to 492,154,201.80, 738,514,737.90 and 185,666,272.20 is: 278,606,334.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,154,201.80 : 738,514,737.90 = 185,666,272.20 : x
  2. Step 2: Convert to fraction form
    492,154,201.80/738,514,737.90 = 185,666,272.20/x
  3. Step 3: Cross multiply
    492,154,201.80x = 738,514,737.90 × 185,666,272.20
  4. Step 4: Simplify right side
    492,154,201.80x = 137,117,278,350,653,040
  5. Step 5: Solve for x
    x = 137,117,278,350,653,040/492,154,201.80
  6. Step 6: Final answer
    x = 278,606,334.86

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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.