Home / 1,431,833,739.15-1,974,811,169.71-930,204,146.90

Finding the Fourth Proportional to 1,431,833,739.15, 1,974,811,169.71 and 930,204,146.90

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Solution

The fourth proportional to 1,431,833,739.15, 1,974,811,169.71 and 930,204,146.90 is: 1,282,954,500.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,833,739.15 : 1,974,811,169.71 = 930,204,146.90 : x
  2. Step 2: Convert to fraction form
    1,431,833,739.15/1,974,811,169.71 = 930,204,146.90/x
  3. Step 3: Cross multiply
    1,431,833,739.15x = 1,974,811,169.71 × 930,204,146.90
  4. Step 4: Simplify right side
    1,431,833,739.15x = 1,836,977,539,408,681,728
  5. Step 5: Solve for x
    x = 1,836,977,539,408,681,728/1,431,833,739.15
  6. Step 6: Final answer
    x = 1,282,954,500.36

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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.