Home / 2,979,618,375.40-4,469,427,563.10-1,689,673,287.40

Finding the Fourth Proportional to 2,979,618,375.40, 4,469,427,563.10 and 1,689,673,287.40

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Solution

The fourth proportional to 2,979,618,375.40, 4,469,427,563.10 and 1,689,673,287.40 is: 2,534,509,931.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979,618,375.40 : 4,469,427,563.10 = 1,689,673,287.40 : x
  2. Step 2: Convert to fraction form
    2,979,618,375.40/4,469,427,563.10 = 1,689,673,287.40/x
  3. Step 3: Cross multiply
    2,979,618,375.40x = 4,469,427,563.10 × 1,689,673,287.40
  4. Step 4: Simplify right side
    2,979,618,375.40x = 7,551,872,363,339,348,992
  5. Step 5: Solve for x
    x = 7,551,872,363,339,348,992/2,979,618,375.40
  6. Step 6: Final answer
    x = 2,534,509,931.10

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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.