Home / 1,941,696,015.90-2,912,544,023.85-649,231,503.90

Finding the Fourth Proportional to 1,941,696,015.90, 2,912,544,023.85 and 649,231,503.90

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Solution

The fourth proportional to 1,941,696,015.90, 2,912,544,023.85 and 649,231,503.90 is: 973,847,255.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,696,015.90 : 2,912,544,023.85 = 649,231,503.90 : x
  2. Step 2: Convert to fraction form
    1,941,696,015.90/2,912,544,023.85 = 649,231,503.90/x
  3. Step 3: Cross multiply
    1,941,696,015.90x = 2,912,544,023.85 × 649,231,503.90
  4. Step 4: Simplify right side
    1,941,696,015.90x = 1,890,915,336,779,092,736
  5. Step 5: Solve for x
    x = 1,890,915,336,779,092,736/1,941,696,015.90
  6. Step 6: Final answer
    x = 973,847,255.85

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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.