Home / 2,120,536,034.24-3,179,739,655.20-1,235,507,864

Finding the Fourth Proportional to 2,120,536,034.24, 3,179,739,655.20 and 1,235,507,864

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Solution

The fourth proportional to 2,120,536,034.24, 3,179,739,655.20 and 1,235,507,864 is: 1,852,641,636.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120,536,034.24 : 3,179,739,655.20 = 1,235,507,864 : x
  2. Step 2: Convert to fraction form
    2,120,536,034.24/3,179,739,655.20 = 1,235,507,864/x
  3. Step 3: Cross multiply
    2,120,536,034.24x = 3,179,739,655.20 × 1,235,507,864
  4. Step 4: Simplify right side
    2,120,536,034.24x = 3,928,593,349,472,248,320
  5. Step 5: Solve for x
    x = 3,928,593,349,472,248,320/2,120,536,034.24
  6. Step 6: Final answer
    x = 1,852,641,636.85

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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.