Home / 31,458,142,712.92-43,422,582,570.08-25,039,736,109.20

Finding the Fourth Proportional to 31,458,142,712.92, 43,422,582,570.08 and 25,039,736,109.20

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Solution

The fourth proportional to 31,458,142,712.92, 43,422,582,570.08 and 25,039,736,109.20 is: 34,563,070,638.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,458,142,712.92 : 43,422,582,570.08 = 25,039,736,109.20 : x
  2. Step 2: Convert to fraction form
    31,458,142,712.92/43,422,582,570.08 = 25,039,736,109.20/x
  3. Step 3: Cross multiply
    31,458,142,712.92x = 43,422,582,570.08 × 25,039,736,109.20
  4. Step 4: Simplify right side
    31,458,142,712.92x = 1,087,290,008,734,750,736,384
  5. Step 5: Solve for x
    x = 1,087,290,008,734,750,736,384/31,458,142,712.92
  6. Step 6: Final answer
    x = 34,563,070,638.25

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.