Home / 490,028,001,234.20-735,042,001,851.30-117,798,221,778.20

Finding the Fourth Proportional to 490,028,001,234.20, 735,042,001,851.30 and 117,798,221,778.20

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Solution

The fourth proportional to 490,028,001,234.20, 735,042,001,851.30 and 117,798,221,778.20 is: 176,697,332,667.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,028,001,234.20 : 735,042,001,851.30 = 117,798,221,778.20 : x
  2. Step 2: Convert to fraction form
    490,028,001,234.20/735,042,001,851.30 = 117,798,221,778.20/x
  3. Step 3: Cross multiply
    490,028,001,234.20x = 735,042,001,851.30 × 117,798,221,778.20
  4. Step 4: Simplify right side
    490,028,001,234.20x = 86,586,640,750,371,540,041,728
  5. Step 5: Solve for x
    x = 86,586,640,750,371,540,041,728/490,028,001,234.20
  6. Step 6: Final answer
    x = 176,697,332,667.30

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Double scale
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Similar ratio
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1.5x scale

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.