Home / 3,315,601,950.40-4,972,536,007.20-985,911,428.80

Finding the Fourth Proportional to 3,315,601,950.40, 4,972,536,007.20 and 985,911,428.80

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Solution

The fourth proportional to 3,315,601,950.40, 4,972,536,007.20 and 985,911,428.80 is: 1,478,609,360.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315,601,950.40 : 4,972,536,007.20 = 985,911,428.80 : x
  2. Step 2: Convert to fraction form
    3,315,601,950.40/4,972,536,007.20 = 985,911,428.80/x
  3. Step 3: Cross multiply
    3,315,601,950.40x = 4,972,536,007.20 × 985,911,428.80
  4. Step 4: Simplify right side
    3,315,601,950.40x = 4,902,480,079,617,998,848
  5. Step 5: Solve for x
    x = 4,902,480,079,617,998,848/3,315,601,950.40
  6. Step 6: Final answer
    x = 1,478,609,360.52

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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.