Home / 399,368,006.40-597,876,278.40-297,583,276.80

Finding the Fourth Proportional to 399,368,006.40, 597,876,278.40 and 297,583,276.80

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Solution

The fourth proportional to 399,368,006.40, 597,876,278.40 and 297,583,276.80 is: 445,498,836.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,368,006.40 : 597,876,278.40 = 297,583,276.80 : x
  2. Step 2: Convert to fraction form
    399,368,006.40/597,876,278.40 = 297,583,276.80/x
  3. Step 3: Cross multiply
    399,368,006.40x = 597,876,278.40 × 297,583,276.80
  4. Step 4: Simplify right side
    399,368,006.40x = 177,917,982,047,261,056
  5. Step 5: Solve for x
    x = 177,917,982,047,261,056/399,368,006.40
  6. Step 6: Final answer
    x = 445,498,836.15

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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.