Home / 8,720,072,967.24-13,060,974,066.55-7,208,978,419.19

Finding the Fourth Proportional to 8,720,072,967.24, 13,060,974,066.55 and 7,208,978,419.19

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Solution

The fourth proportional to 8,720,072,967.24, 13,060,974,066.55 and 7,208,978,419.19 is: 10,797,648,200.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,720,072,967.24 : 13,060,974,066.55 = 7,208,978,419.19 : x
  2. Step 2: Convert to fraction form
    8,720,072,967.24/13,060,974,066.55 = 7,208,978,419.19/x
  3. Step 3: Cross multiply
    8,720,072,967.24x = 13,060,974,066.55 × 7,208,978,419.19
  4. Step 4: Simplify right side
    8,720,072,967.24x = 94,156,280,179,377,438,720
  5. Step 5: Solve for x
    x = 94,156,280,179,377,438,720/8,720,072,967.24
  6. Step 6: Final answer
    x = 10,797,648,200.09

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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.