Home / 245,615,306,712.70-368,422,960,069.05-68,951,563,728.70

Finding the Fourth Proportional to 245,615,306,712.70, 368,422,960,069.05 and 68,951,563,728.70

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Solution

The fourth proportional to 245,615,306,712.70, 368,422,960,069.05 and 68,951,563,728.70 is: 103,427,345,593.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,615,306,712.70 : 368,422,960,069.05 = 68,951,563,728.70 : x
  2. Step 2: Convert to fraction form
    245,615,306,712.70/368,422,960,069.05 = 68,951,563,728.70/x
  3. Step 3: Cross multiply
    245,615,306,712.70x = 368,422,960,069.05 × 68,951,563,728.70
  4. Step 4: Simplify right side
    245,615,306,712.70x = 25,403,339,210,317,394,608,128
  5. Step 5: Solve for x
    x = 25,403,339,210,317,394,608,128/245,615,306,712.70
  6. Step 6: Final answer
    x = 103,427,345,593.05

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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.