Home / 776,951,013.20-1,165,426,519.80-741,119,205.20

Finding the Fourth Proportional to 776,951,013.20, 1,165,426,519.80 and 741,119,205.20

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Solution

The fourth proportional to 776,951,013.20, 1,165,426,519.80 and 741,119,205.20 is: 1,111,678,807.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,951,013.20 : 1,165,426,519.80 = 741,119,205.20 : x
  2. Step 2: Convert to fraction form
    776,951,013.20/1,165,426,519.80 = 741,119,205.20/x
  3. Step 3: Cross multiply
    776,951,013.20x = 1,165,426,519.80 × 741,119,205.20
  4. Step 4: Simplify right side
    776,951,013.20x = 863,719,976,073,178,112
  5. Step 5: Solve for x
    x = 863,719,976,073,178,112/776,951,013.20
  6. Step 6: Final answer
    x = 1,111,678,807.80

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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.