Home / 1,458,190,225.50-2,012,321,406.87-798,126,331.74

Finding the Fourth Proportional to 1,458,190,225.50, 2,012,321,406.87 and 798,126,331.74

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Solution

The fourth proportional to 1,458,190,225.50, 2,012,321,406.87 and 798,126,331.74 is: 1,101,424,680.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,190,225.50 : 2,012,321,406.87 = 798,126,331.74 : x
  2. Step 2: Convert to fraction form
    1,458,190,225.50/2,012,321,406.87 = 798,126,331.74/x
  3. Step 3: Cross multiply
    1,458,190,225.50x = 2,012,321,406.87 × 798,126,331.74
  4. Step 4: Simplify right side
    1,458,190,225.50x = 1,606,086,702,747,028,992
  5. Step 5: Solve for x
    x = 1,606,086,702,747,028,992/1,458,190,225.50
  6. Step 6: Final answer
    x = 1,101,424,680.17

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.