Home / 843,670,123.20-1,265,505,184.80-230,316,350.40

Finding the Fourth Proportional to 843,670,123.20, 1,265,505,184.80 and 230,316,350.40

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Solution

The fourth proportional to 843,670,123.20, 1,265,505,184.80 and 230,316,350.40 is: 345,474,525.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,670,123.20 : 1,265,505,184.80 = 230,316,350.40 : x
  2. Step 2: Convert to fraction form
    843,670,123.20/1,265,505,184.80 = 230,316,350.40/x
  3. Step 3: Cross multiply
    843,670,123.20x = 1,265,505,184.80 × 230,316,350.40
  4. Step 4: Simplify right side
    843,670,123.20x = 291,466,535,575,413,568
  5. Step 5: Solve for x
    x = 291,466,535,575,413,568/843,670,123.20
  6. Step 6: Final answer
    x = 345,474,525.60

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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.