Home / 1,065,864,694.40-1,601,484,427.20-677,873,398.40

Finding the Fourth Proportional to 1,065,864,694.40, 1,601,484,427.20 and 677,873,398.40

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Solution

The fourth proportional to 1,065,864,694.40, 1,601,484,427.20 and 677,873,398.40 is: 1,018,519,233.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,864,694.40 : 1,601,484,427.20 = 677,873,398.40 : x
  2. Step 2: Convert to fraction form
    1,065,864,694.40/1,601,484,427.20 = 677,873,398.40/x
  3. Step 3: Cross multiply
    1,065,864,694.40x = 1,601,484,427.20 × 677,873,398.40
  4. Step 4: Simplify right side
    1,065,864,694.40x = 1,085,603,691,150,741,376
  5. Step 5: Solve for x
    x = 1,085,603,691,150,741,376/1,065,864,694.40
  6. Step 6: Final answer
    x = 1,018,519,233.12

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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.