Home / 1,195,074,033.12-1,649,209,353.84-666,471,389.76

Finding the Fourth Proportional to 1,195,074,033.12, 1,649,209,353.84 and 666,471,389.76

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Solution

The fourth proportional to 1,195,074,033.12, 1,649,209,353.84 and 666,471,389.76 is: 919,734,526.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,074,033.12 : 1,649,209,353.84 = 666,471,389.76 : x
  2. Step 2: Convert to fraction form
    1,195,074,033.12/1,649,209,353.84 = 666,471,389.76/x
  3. Step 3: Cross multiply
    1,195,074,033.12x = 1,649,209,353.84 × 666,471,389.76
  4. Step 4: Simplify right side
    1,195,074,033.12x = 1,099,150,850,058,936,320
  5. Step 5: Solve for x
    x = 1,099,150,850,058,936,320/1,195,074,033.12
  6. Step 6: Final answer
    x = 919,734,526.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.