Home / 734,213,435.32-1,101,350,544.78-216,643,876.12

Finding the Fourth Proportional to 734,213,435.32, 1,101,350,544.78 and 216,643,876.12

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Solution

The fourth proportional to 734,213,435.32, 1,101,350,544.78 and 216,643,876.12 is: 324,974,781.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,213,435.32 : 1,101,350,544.78 = 216,643,876.12 : x
  2. Step 2: Convert to fraction form
    734,213,435.32/1,101,350,544.78 = 216,643,876.12/x
  3. Step 3: Cross multiply
    734,213,435.32x = 1,101,350,544.78 × 216,643,876.12
  4. Step 4: Simplify right side
    734,213,435.32x = 238,600,850,988,012,832
  5. Step 5: Solve for x
    x = 238,600,850,988,012,832/734,213,435.32
  6. Step 6: Final answer
    x = 324,974,781.87

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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.