Home / 1,279,477,211.10-1,919,215,816.65-835,617,687.90

Finding the Fourth Proportional to 1,279,477,211.10, 1,919,215,816.65 and 835,617,687.90

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Solution

The fourth proportional to 1,279,477,211.10, 1,919,215,816.65 and 835,617,687.90 is: 1,253,426,531.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,477,211.10 : 1,919,215,816.65 = 835,617,687.90 : x
  2. Step 2: Convert to fraction form
    1,279,477,211.10/1,919,215,816.65 = 835,617,687.90/x
  3. Step 3: Cross multiply
    1,279,477,211.10x = 1,919,215,816.65 × 835,617,687.90
  4. Step 4: Simplify right side
    1,279,477,211.10x = 1,603,730,683,290,183,424
  5. Step 5: Solve for x
    x = 1,603,730,683,290,183,424/1,279,477,211.10
  6. Step 6: Final answer
    x = 1,253,426,531.85

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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.