Home / 5,215,537,209.60-7,820,618,428.80-1,942,301,548.80

Finding the Fourth Proportional to 5,215,537,209.60, 7,820,618,428.80 and 1,942,301,548.80

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Solution

The fourth proportional to 5,215,537,209.60, 7,820,618,428.80 and 1,942,301,548.80 is: 2,912,451,522.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,215,537,209.60 : 7,820,618,428.80 = 1,942,301,548.80 : x
  2. Step 2: Convert to fraction form
    5,215,537,209.60/7,820,618,428.80 = 1,942,301,548.80/x
  3. Step 3: Cross multiply
    5,215,537,209.60x = 7,820,618,428.80 × 1,942,301,548.80
  4. Step 4: Simplify right side
    5,215,537,209.60x = 15,189,999,286,832,062,464
  5. Step 5: Solve for x
    x = 15,189,999,286,832,062,464/5,215,537,209.60
  6. Step 6: Final answer
    x = 2,912,451,522.51

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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.