Home / 461,003,938.32-691,198,737.12-253,839,903.96

Finding the Fourth Proportional to 461,003,938.32, 691,198,737.12 and 253,839,903.96

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Solution

The fourth proportional to 461,003,938.32, 691,198,737.12 and 253,839,903.96 is: 380,590,720.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,003,938.32 : 691,198,737.12 = 253,839,903.96 : x
  2. Step 2: Convert to fraction form
    461,003,938.32/691,198,737.12 = 253,839,903.96/x
  3. Step 3: Cross multiply
    461,003,938.32x = 691,198,737.12 × 253,839,903.96
  4. Step 4: Simplify right side
    461,003,938.32x = 175,453,821,047,814,080
  5. Step 5: Solve for x
    x = 175,453,821,047,814,080/461,003,938.32
  6. Step 6: Final answer
    x = 380,590,720.52

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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.