Home / 400,195,400.64-599,876,916.48-154,720,636.80

Finding the Fourth Proportional to 400,195,400.64, 599,876,916.48 and 154,720,636.80

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Solution

The fourth proportional to 400,195,400.64, 599,876,916.48 and 154,720,636.80 is: 231,920,052.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,195,400.64 : 599,876,916.48 = 154,720,636.80 : x
  2. Step 2: Convert to fraction form
    400,195,400.64/599,876,916.48 = 154,720,636.80/x
  3. Step 3: Cross multiply
    400,195,400.64x = 599,876,916.48 × 154,720,636.80
  4. Step 4: Simplify right side
    400,195,400.64x = 92,813,338,519,406,032
  5. Step 5: Solve for x
    x = 92,813,338,519,406,032/400,195,400.64
  6. Step 6: Final answer
    x = 231,920,052.98

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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.