Home / 1,108,019,324.80-1,662,028,987.20-1,065,693,001.60

Finding the Fourth Proportional to 1,108,019,324.80, 1,662,028,987.20 and 1,065,693,001.60

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Solution

The fourth proportional to 1,108,019,324.80, 1,662,028,987.20 and 1,065,693,001.60 is: 1,598,539,502.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,019,324.80 : 1,662,028,987.20 = 1,065,693,001.60 : x
  2. Step 2: Convert to fraction form
    1,108,019,324.80/1,662,028,987.20 = 1,065,693,001.60/x
  3. Step 3: Cross multiply
    1,108,019,324.80x = 1,662,028,987.20 × 1,065,693,001.60
  4. Step 4: Simplify right side
    1,108,019,324.80x = 1,771,212,660,115,376,128
  5. Step 5: Solve for x
    x = 1,771,212,660,115,376,128/1,108,019,324.80
  6. Step 6: Final answer
    x = 1,598,539,502.40

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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.