Home / 6,422,739,799.71-8,862,662,046.05-3,565,002,478.49

Finding the Fourth Proportional to 6,422,739,799.71, 8,862,662,046.05 and 3,565,002,478.49

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Solution

The fourth proportional to 6,422,739,799.71, 8,862,662,046.05 and 3,565,002,478.49 is: 4,919,304,400.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,422,739,799.71 : 8,862,662,046.05 = 3,565,002,478.49 : x
  2. Step 2: Convert to fraction form
    6,422,739,799.71/8,862,662,046.05 = 3,565,002,478.49/x
  3. Step 3: Cross multiply
    6,422,739,799.71x = 8,862,662,046.05 × 3,565,002,478.49
  4. Step 4: Simplify right side
    6,422,739,799.71x = 31,595,412,160,171,347,968
  5. Step 5: Solve for x
    x = 31,595,412,160,171,347,968/6,422,739,799.71
  6. Step 6: Final answer
    x = 4,919,304,400.53

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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.