Home / 370,901,503.53-511,818,471.05-205,876,082.25

Finding the Fourth Proportional to 370,901,503.53, 511,818,471.05 and 205,876,082.25

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Solution

The fourth proportional to 370,901,503.53, 511,818,471.05 and 205,876,082.25 is: 284,094,781.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,901,503.53 : 511,818,471.05 = 205,876,082.25 : x
  2. Step 2: Convert to fraction form
    370,901,503.53/511,818,471.05 = 205,876,082.25/x
  3. Step 3: Cross multiply
    370,901,503.53x = 511,818,471.05 × 205,876,082.25
  4. Step 4: Simplify right side
    370,901,503.53x = 105,371,181,641,929,664
  5. Step 5: Solve for x
    x = 105,371,181,641,929,664/370,901,503.53
  6. Step 6: Final answer
    x = 284,094,781.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.