Home / 490,028,001,240.20-735,042,001,860.30-117,798,221,784.20

Finding the Fourth Proportional to 490,028,001,240.20, 735,042,001,860.30 and 117,798,221,784.20

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Solution

The fourth proportional to 490,028,001,240.20, 735,042,001,860.30 and 117,798,221,784.20 is: 176,697,332,676.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,028,001,240.20 : 735,042,001,860.30 = 117,798,221,784.20 : x
  2. Step 2: Convert to fraction form
    490,028,001,240.20/735,042,001,860.30 = 117,798,221,784.20/x
  3. Step 3: Cross multiply
    490,028,001,240.20x = 735,042,001,860.30 × 117,798,221,784.20
  4. Step 4: Simplify right side
    490,028,001,240.20x = 86,586,640,755,841,969,422,336
  5. Step 5: Solve for x
    x = 86,586,640,755,841,969,422,336/490,028,001,240.20
  6. Step 6: Final answer
    x = 176,697,332,676.30

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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.