Home / 879,847,999.20-1,320,622,304.40-535,474,231.20

Finding the Fourth Proportional to 879,847,999.20, 1,320,622,304.40 and 535,474,231.20

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Solution

The fourth proportional to 879,847,999.20, 1,320,622,304.40 and 535,474,231.20 is: 803,728,841.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,847,999.20 : 1,320,622,304.40 = 535,474,231.20 : x
  2. Step 2: Convert to fraction form
    879,847,999.20/1,320,622,304.40 = 535,474,231.20/x
  3. Step 3: Cross multiply
    879,847,999.20x = 1,320,622,304.40 × 535,474,231.20
  4. Step 4: Simplify right side
    879,847,999.20x = 707,159,213,154,162,432
  5. Step 5: Solve for x
    x = 707,159,213,154,162,432/879,847,999.20
  6. Step 6: Final answer
    x = 803,728,841.57

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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.