Home / 538,185,943.20-807,278,914.80-266,088,151.20

Finding the Fourth Proportional to 538,185,943.20, 807,278,914.80 and 266,088,151.20

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Solution

The fourth proportional to 538,185,943.20, 807,278,914.80 and 266,088,151.20 is: 399,132,226.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,185,943.20 : 807,278,914.80 = 266,088,151.20 : x
  2. Step 2: Convert to fraction form
    538,185,943.20/807,278,914.80 = 266,088,151.20/x
  3. Step 3: Cross multiply
    538,185,943.20x = 807,278,914.80 × 266,088,151.20
  4. Step 4: Simplify right side
    538,185,943.20x = 214,807,353,941,874,304
  5. Step 5: Solve for x
    x = 214,807,353,941,874,304/538,185,943.20
  6. Step 6: Final answer
    x = 399,132,226.80

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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.