Home / 969,643,563.59-1,454,669,616.66-314,543,438.12

Finding the Fourth Proportional to 969,643,563.59, 1,454,669,616.66 and 314,543,438.12

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Solution

The fourth proportional to 969,643,563.59, 1,454,669,616.66 and 314,543,438.12 is: 471,881,420.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,643,563.59 : 1,454,669,616.66 = 314,543,438.12 : x
  2. Step 2: Convert to fraction form
    969,643,563.59/1,454,669,616.66 = 314,543,438.12/x
  3. Step 3: Cross multiply
    969,643,563.59x = 1,454,669,616.66 × 314,543,438.12
  4. Step 4: Simplify right side
    969,643,563.59x = 457,556,782,555,380,224
  5. Step 5: Solve for x
    x = 457,556,782,555,380,224/969,643,563.59
  6. Step 6: Final answer
    x = 471,881,420.90

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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.