Home / 1,988,064,043.80-2,982,096,065.70-1,681,954,027.80

Finding the Fourth Proportional to 1,988,064,043.80, 2,982,096,065.70 and 1,681,954,027.80

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Solution

The fourth proportional to 1,988,064,043.80, 2,982,096,065.70 and 1,681,954,027.80 is: 2,522,931,041.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,064,043.80 : 2,982,096,065.70 = 1,681,954,027.80 : x
  2. Step 2: Convert to fraction form
    1,988,064,043.80/2,982,096,065.70 = 1,681,954,027.80/x
  3. Step 3: Cross multiply
    1,988,064,043.80x = 2,982,096,065.70 × 1,681,954,027.80
  4. Step 4: Simplify right side
    1,988,064,043.80x = 5,015,748,488,990,648,320
  5. Step 5: Solve for x
    x = 5,015,748,488,990,648,320/1,988,064,043.80
  6. Step 6: Final answer
    x = 2,522,931,041.70

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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.