Home / 3,945,242,604.51-5,442,370,661.61-2,439,387,592.65

Finding the Fourth Proportional to 3,945,242,604.51, 5,442,370,661.61 and 2,439,387,592.65

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Solution

The fourth proportional to 3,945,242,604.51, 5,442,370,661.61 and 2,439,387,592.65 is: 3,365,078,601.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945,242,604.51 : 5,442,370,661.61 = 2,439,387,592.65 : x
  2. Step 2: Convert to fraction form
    3,945,242,604.51/5,442,370,661.61 = 2,439,387,592.65/x
  3. Step 3: Cross multiply
    3,945,242,604.51x = 5,442,370,661.61 × 2,439,387,592.65
  4. Step 4: Simplify right side
    3,945,242,604.51x = 13,276,051,466,533,806,080
  5. Step 5: Solve for x
    x = 13,276,051,466,533,806,080/3,945,242,604.51
  6. Step 6: Final answer
    x = 3,365,078,601.59

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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.