Home / 5,190,431,629.61-7,162,830,040.07-2,811,569,567.02

Finding the Fourth Proportional to 5,190,431,629.61, 7,162,830,040.07 and 2,811,569,567.02

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Solution

The fourth proportional to 5,190,431,629.61, 7,162,830,040.07 and 2,811,569,567.02 is: 3,879,984,631.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190,431,629.61 : 7,162,830,040.07 = 2,811,569,567.02 : x
  2. Step 2: Convert to fraction form
    5,190,431,629.61/7,162,830,040.07 = 2,811,569,567.02/x
  3. Step 3: Cross multiply
    5,190,431,629.61x = 7,162,830,040.07 × 2,811,569,567.02
  4. Step 4: Simplify right side
    5,190,431,629.61x = 20,138,794,954,386,579,456
  5. Step 5: Solve for x
    x = 20,138,794,954,386,579,456/5,190,431,629.61
  6. Step 6: Final answer
    x = 3,879,984,631.62

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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.