Home / 1,076,578,857.62-1,614,868,288.61-258,691,159.70

Finding the Fourth Proportional to 1,076,578,857.62, 1,614,868,288.61 and 258,691,159.70

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Solution

The fourth proportional to 1,076,578,857.62, 1,614,868,288.61 and 258,691,159.70 is: 388,036,740.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,578,857.62 : 1,614,868,288.61 = 258,691,159.70 : x
  2. Step 2: Convert to fraction form
    1,076,578,857.62/1,614,868,288.61 = 258,691,159.70/x
  3. Step 3: Cross multiply
    1,076,578,857.62x = 1,614,868,288.61 × 258,691,159.70
  4. Step 4: Simplify right side
    1,076,578,857.62x = 417,752,150,333,907,392
  5. Step 5: Solve for x
    x = 417,752,150,333,907,392/1,076,578,857.62
  6. Step 6: Final answer
    x = 388,036,740.07

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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.