Home / 720,189,991.92-1,080,285,000.84-174,927,851.76

Finding the Fourth Proportional to 720,189,991.92, 1,080,285,000.84 and 174,927,851.76

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Solution

The fourth proportional to 720,189,991.92, 1,080,285,000.84 and 174,927,851.76 is: 262,391,780.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,189,991.92 : 1,080,285,000.84 = 174,927,851.76 : x
  2. Step 2: Convert to fraction form
    720,189,991.92/1,080,285,000.84 = 174,927,851.76/x
  3. Step 3: Cross multiply
    720,189,991.92x = 1,080,285,000.84 × 174,927,851.76
  4. Step 4: Simplify right side
    720,189,991.92x = 188,971,934,485,490,976
  5. Step 5: Solve for x
    x = 188,971,934,485,490,976/720,189,991.92
  6. Step 6: Final answer
    x = 262,391,780.79

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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.