Home / 9,877,949,865.68-13,631,583,899.03-5,361,825,986.69

Finding the Fourth Proportional to 9,877,949,865.68, 13,631,583,899.03 and 5,361,825,986.69

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Solution

The fourth proportional to 9,877,949,865.68, 13,631,583,899.03 and 5,361,825,986.69 is: 7,399,326,963.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,877,949,865.68 : 13,631,583,899.03 = 5,361,825,986.69 : x
  2. Step 2: Convert to fraction form
    9,877,949,865.68/13,631,583,899.03 = 5,361,825,986.69/x
  3. Step 3: Cross multiply
    9,877,949,865.68x = 13,631,583,899.03 × 5,361,825,986.69
  4. Step 4: Simplify right side
    9,877,949,865.68x = 73,090,180,789,469,085,696
  5. Step 5: Solve for x
    x = 73,090,180,789,469,085,696/9,877,949,865.68
  6. Step 6: Final answer
    x = 7,399,326,963.93

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Double scale
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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.