Home / 1,076,578,856.74-1,614,868,287.28-258,691,158.82

Finding the Fourth Proportional to 1,076,578,856.74, 1,614,868,287.28 and 258,691,158.82

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Solution

The fourth proportional to 1,076,578,856.74, 1,614,868,287.28 and 258,691,158.82 is: 388,036,738.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,578,856.74 : 1,614,868,287.28 = 258,691,158.82 : x
  2. Step 2: Convert to fraction form
    1,076,578,856.74/1,614,868,287.28 = 258,691,158.82/x
  3. Step 3: Cross multiply
    1,076,578,856.74x = 1,614,868,287.28 × 258,691,158.82
  4. Step 4: Simplify right side
    1,076,578,856.74x = 417,752,148,578,131,840
  5. Step 5: Solve for x
    x = 417,752,148,578,131,840/1,076,578,856.74
  6. Step 6: Final answer
    x = 388,036,738.75

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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.