Home / 9,391,038,442.44-12,959,458,705.20-5,161,859,920.32

Finding the Fourth Proportional to 9,391,038,442.44, 12,959,458,705.20 and 5,161,859,920.32

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Solution

The fourth proportional to 9,391,038,442.44, 12,959,458,705.20 and 5,161,859,920.32 is: 7,123,270,859.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,391,038,442.44 : 12,959,458,705.20 = 5,161,859,920.32 : x
  2. Step 2: Convert to fraction form
    9,391,038,442.44/12,959,458,705.20 = 5,161,859,920.32/x
  3. Step 3: Cross multiply
    9,391,038,442.44x = 12,959,458,705.20 × 5,161,859,920.32
  4. Step 4: Simplify right side
    9,391,038,442.44x = 66,894,910,479,414,001,664
  5. Step 5: Solve for x
    x = 66,894,910,479,414,001,664/9,391,038,442.44
  6. Step 6: Final answer
    x = 7,123,270,859.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.