Home / 664,306,048.20-996,459,072.30-492,119,164.20

Finding the Fourth Proportional to 664,306,048.20, 996,459,072.30 and 492,119,164.20

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Solution

The fourth proportional to 664,306,048.20, 996,459,072.30 and 492,119,164.20 is: 738,178,746.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,306,048.20 : 996,459,072.30 = 492,119,164.20 : x
  2. Step 2: Convert to fraction form
    664,306,048.20/996,459,072.30 = 492,119,164.20/x
  3. Step 3: Cross multiply
    664,306,048.20x = 996,459,072.30 × 492,119,164.20
  4. Step 4: Simplify right side
    664,306,048.20x = 490,376,605,819,783,360
  5. Step 5: Solve for x
    x = 490,376,605,819,783,360/664,306,048.20
  6. Step 6: Final answer
    x = 738,178,746.30

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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.