Home / 866,421,905.16-1,299,505,020.30-252,841,384.20

Finding the Fourth Proportional to 866,421,905.16, 1,299,505,020.30 and 252,841,384.20

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Solution

The fourth proportional to 866,421,905.16, 1,299,505,020.30 and 252,841,384.20 is: 379,224,770.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,421,905.16 : 1,299,505,020.30 = 252,841,384.20 : x
  2. Step 2: Convert to fraction form
    866,421,905.16/1,299,505,020.30 = 252,841,384.20/x
  3. Step 3: Cross multiply
    866,421,905.16x = 1,299,505,020.30 × 252,841,384.20
  4. Step 4: Simplify right side
    866,421,905.16x = 328,568,648,107,501,056
  5. Step 5: Solve for x
    x = 328,568,648,107,501,056/866,421,905.16
  6. Step 6: Final answer
    x = 379,224,770.46

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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.