Home / 674,028,008.20-1,011,042,012.30-189,353,816.20

Finding the Fourth Proportional to 674,028,008.20, 1,011,042,012.30 and 189,353,816.20

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Solution

The fourth proportional to 674,028,008.20, 1,011,042,012.30 and 189,353,816.20 is: 284,030,724.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,028,008.20 : 1,011,042,012.30 = 189,353,816.20 : x
  2. Step 2: Convert to fraction form
    674,028,008.20/1,011,042,012.30 = 189,353,816.20/x
  3. Step 3: Cross multiply
    674,028,008.20x = 1,011,042,012.30 × 189,353,816.20
  4. Step 4: Simplify right side
    674,028,008.20x = 191,444,663,367,532,320
  5. Step 5: Solve for x
    x = 191,444,663,367,532,320/674,028,008.20
  6. Step 6: Final answer
    x = 284,030,724.30

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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.