Home / 1,142,173,039.20-1,713,259,558.80-324,285,340.20

Finding the Fourth Proportional to 1,142,173,039.20, 1,713,259,558.80 and 324,285,340.20

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Solution

The fourth proportional to 1,142,173,039.20, 1,713,259,558.80 and 324,285,340.20 is: 486,428,010.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,173,039.20 : 1,713,259,558.80 = 324,285,340.20 : x
  2. Step 2: Convert to fraction form
    1,142,173,039.20/1,713,259,558.80 = 324,285,340.20/x
  3. Step 3: Cross multiply
    1,142,173,039.20x = 1,713,259,558.80 × 324,285,340.20
  4. Step 4: Simplify right side
    1,142,173,039.20x = 555,584,958,876,359,872
  5. Step 5: Solve for x
    x = 555,584,958,876,359,872/1,142,173,039.20
  6. Step 6: Final answer
    x = 486,428,010.30

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Double scale
Find fourth proportional to 1,142,173,040.20, 1,713,259,560.30 and 324,285,341.20
Similar ratio
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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.