Home / 1,008,102,001.10-1,512,153,001.65-804,028,657.10

Finding the Fourth Proportional to 1,008,102,001.10, 1,512,153,001.65 and 804,028,657.10

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Solution

The fourth proportional to 1,008,102,001.10, 1,512,153,001.65 and 804,028,657.10 is: 1,206,042,985.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,102,001.10 : 1,512,153,001.65 = 804,028,657.10 : x
  2. Step 2: Convert to fraction form
    1,008,102,001.10/1,512,153,001.65 = 804,028,657.10/x
  3. Step 3: Cross multiply
    1,008,102,001.10x = 1,512,153,001.65 × 804,028,657.10
  4. Step 4: Simplify right side
    1,008,102,001.10x = 1,215,814,347,246,383,616
  5. Step 5: Solve for x
    x = 1,215,814,347,246,383,616/1,008,102,001.10
  6. Step 6: Final answer
    x = 1,206,042,985.65

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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.