Home / 1,136,693,749.20-1,705,040,623.80-646,917,723.60

Finding the Fourth Proportional to 1,136,693,749.20, 1,705,040,623.80 and 646,917,723.60

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Solution

The fourth proportional to 1,136,693,749.20, 1,705,040,623.80 and 646,917,723.60 is: 970,376,585.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,693,749.20 : 1,705,040,623.80 = 646,917,723.60 : x
  2. Step 2: Convert to fraction form
    1,136,693,749.20/1,705,040,623.80 = 646,917,723.60/x
  3. Step 3: Cross multiply
    1,136,693,749.20x = 1,705,040,623.80 × 646,917,723.60
  4. Step 4: Simplify right side
    1,136,693,749.20x = 1,103,020,998,994,220,032
  5. Step 5: Solve for x
    x = 1,103,020,998,994,220,032/1,136,693,749.20
  6. Step 6: Final answer
    x = 970,376,585.40

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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.