Home / 827,161,048.80-1,239,466,114.80-717,471,626.40

Finding the Fourth Proportional to 827,161,048.80, 1,239,466,114.80 and 717,471,626.40

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Solution

The fourth proportional to 827,161,048.80, 1,239,466,114.80 and 717,471,626.40 is: 1,075,101,119.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,161,048.80 : 1,239,466,114.80 = 717,471,626.40 : x
  2. Step 2: Convert to fraction form
    827,161,048.80/1,239,466,114.80 = 717,471,626.40/x
  3. Step 3: Cross multiply
    827,161,048.80x = 1,239,466,114.80 × 717,471,626.40
  4. Step 4: Simplify right side
    827,161,048.80x = 889,281,769,253,245,056
  5. Step 5: Solve for x
    x = 889,281,769,253,245,056/827,161,048.80
  6. Step 6: Final answer
    x = 1,075,101,119.12

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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.