Home / 3,981,314,458.40-5,971,971,687.60-3,820,071,322.40

Finding the Fourth Proportional to 3,981,314,458.40, 5,971,971,687.60 and 3,820,071,322.40

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Solution

The fourth proportional to 3,981,314,458.40, 5,971,971,687.60 and 3,820,071,322.40 is: 5,730,106,983.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,981,314,458.40 : 5,971,971,687.60 = 3,820,071,322.40 : x
  2. Step 2: Convert to fraction form
    3,981,314,458.40/5,971,971,687.60 = 3,820,071,322.40/x
  3. Step 3: Cross multiply
    3,981,314,458.40x = 5,971,971,687.60 × 3,820,071,322.40
  4. Step 4: Simplify right side
    3,981,314,458.40x = 22,813,357,781,985,492,992
  5. Step 5: Solve for x
    x = 22,813,357,781,985,492,992/3,981,314,458.40
  6. Step 6: Final answer
    x = 5,730,106,983.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.