Home / 3,927,199,328.47-5,419,649,524.07-2,143,167,693.28

Finding the Fourth Proportional to 3,927,199,328.47, 5,419,649,524.07 and 2,143,167,693.28

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Solution

The fourth proportional to 3,927,199,328.47, 5,419,649,524.07 and 2,143,167,693.28 is: 2,957,633,875.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927,199,328.47 : 5,419,649,524.07 = 2,143,167,693.28 : x
  2. Step 2: Convert to fraction form
    3,927,199,328.47/5,419,649,524.07 = 2,143,167,693.28/x
  3. Step 3: Cross multiply
    3,927,199,328.47x = 5,419,649,524.07 × 2,143,167,693.28
  4. Step 4: Simplify right side
    3,927,199,328.47x = 11,615,217,768,887,150,592
  5. Step 5: Solve for x
    x = 11,615,217,768,887,150,592/3,927,199,328.47
  6. Step 6: Final answer
    x = 2,957,633,875.29

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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.