Home / 2,943,992,171.10-4,416,026,721.18-978,845,249.76

Finding the Fourth Proportional to 2,943,992,171.10, 4,416,026,721.18 and 978,845,249.76

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Solution

The fourth proportional to 2,943,992,171.10, 4,416,026,721.18 and 978,845,249.76 is: 1,468,280,663.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943,992,171.10 : 4,416,026,721.18 = 978,845,249.76 : x
  2. Step 2: Convert to fraction form
    2,943,992,171.10/4,416,026,721.18 = 978,845,249.76/x
  3. Step 3: Cross multiply
    2,943,992,171.10x = 4,416,026,721.18 × 978,845,249.76
  4. Step 4: Simplify right side
    2,943,992,171.10x = 4,322,606,778,840,271,360
  5. Step 5: Solve for x
    x = 4,322,606,778,840,271,360/2,943,992,171.10
  6. Step 6: Final answer
    x = 1,468,280,663.68

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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.