Home / 3,945,242,616.54-5,442,370,678.14-2,439,387,604.68

Finding the Fourth Proportional to 3,945,242,616.54, 5,442,370,678.14 and 2,439,387,604.68

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Solution

The fourth proportional to 3,945,242,616.54, 5,442,370,678.14 and 2,439,387,604.68 is: 3,365,078,618.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945,242,616.54 : 5,442,370,678.14 = 2,439,387,604.68 : x
  2. Step 2: Convert to fraction form
    3,945,242,616.54/5,442,370,678.14 = 2,439,387,604.68/x
  3. Step 3: Cross multiply
    3,945,242,616.54x = 5,442,370,678.14 × 2,439,387,604.68
  4. Step 4: Simplify right side
    3,945,242,616.54x = 13,276,051,572,328,601,600
  5. Step 5: Solve for x
    x = 13,276,051,572,328,601,600/3,945,242,616.54
  6. Step 6: Final answer
    x = 3,365,078,618.15

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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.