Home / 2,902,507,029.78-4,353,776,489.10-721,473,165.78

Finding the Fourth Proportional to 2,902,507,029.78, 4,353,776,489.10 and 721,473,165.78

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Solution

The fourth proportional to 2,902,507,029.78, 4,353,776,489.10 and 721,473,165.78 is: 1,082,213,711.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,902,507,029.78 : 4,353,776,489.10 = 721,473,165.78 : x
  2. Step 2: Convert to fraction form
    2,902,507,029.78/4,353,776,489.10 = 721,473,165.78/x
  3. Step 3: Cross multiply
    2,902,507,029.78x = 4,353,776,489.10 × 721,473,165.78
  4. Step 4: Simplify right side
    2,902,507,029.78x = 3,141,132,906,689,510,912
  5. Step 5: Solve for x
    x = 3,141,132,906,689,510,912/2,902,507,029.78
  6. Step 6: Final answer
    x = 1,082,213,711.96

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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.