Home / 2,989,360,266.30-4,484,040,399.45-2,972,141,577.90

Finding the Fourth Proportional to 2,989,360,266.30, 4,484,040,399.45 and 2,972,141,577.90

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Solution

The fourth proportional to 2,989,360,266.30, 4,484,040,399.45 and 2,972,141,577.90 is: 4,458,212,366.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,360,266.30 : 4,484,040,399.45 = 2,972,141,577.90 : x
  2. Step 2: Convert to fraction form
    2,989,360,266.30/4,484,040,399.45 = 2,972,141,577.90/x
  3. Step 3: Cross multiply
    2,989,360,266.30x = 4,484,040,399.45 × 2,972,141,577.90
  4. Step 4: Simplify right side
    2,989,360,266.30x = 13,327,202,908,188,669,952
  5. Step 5: Solve for x
    x = 13,327,202,908,188,669,952/2,989,360,266.30
  6. Step 6: Final answer
    x = 4,458,212,366.85

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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.