Home / 879,847,999.70-1,320,622,305.15-535,474,231.70

Finding the Fourth Proportional to 879,847,999.70, 1,320,622,305.15 and 535,474,231.70

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Solution

The fourth proportional to 879,847,999.70, 1,320,622,305.15 and 535,474,231.70 is: 803,728,842.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,847,999.70 : 1,320,622,305.15 = 535,474,231.70 : x
  2. Step 2: Convert to fraction form
    879,847,999.70/1,320,622,305.15 = 535,474,231.70/x
  3. Step 3: Cross multiply
    879,847,999.70x = 1,320,622,305.15 × 535,474,231.70
  4. Step 4: Simplify right side
    879,847,999.70x = 707,159,214,216,079,232
  5. Step 5: Solve for x
    x = 707,159,214,216,079,232/879,847,999.70
  6. Step 6: Final answer
    x = 803,728,842.32

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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.