Home / 7,972,275,916.20-11,958,413,874.30-4,872,912,004.20

Finding the Fourth Proportional to 7,972,275,916.20, 11,958,413,874.30 and 4,872,912,004.20

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Solution

The fourth proportional to 7,972,275,916.20, 11,958,413,874.30 and 4,872,912,004.20 is: 7,309,368,006.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972,275,916.20 : 11,958,413,874.30 = 4,872,912,004.20 : x
  2. Step 2: Convert to fraction form
    7,972,275,916.20/11,958,413,874.30 = 4,872,912,004.20/x
  3. Step 3: Cross multiply
    7,972,275,916.20x = 11,958,413,874.30 × 4,872,912,004.20
  4. Step 4: Simplify right side
    7,972,275,916.20x = 58,272,298,519,268,294,656
  5. Step 5: Solve for x
    x = 58,272,298,519,268,294,656/7,972,275,916.20
  6. Step 6: Final answer
    x = 7,309,368,006.30

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Double scale
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1.5x scale

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.