Home / 1,350,496,310.76-2,025,706,674.78-430,427,860.20

Finding the Fourth Proportional to 1,350,496,310.76, 2,025,706,674.78 and 430,427,860.20

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Solution

The fourth proportional to 1,350,496,310.76, 2,025,706,674.78 and 430,427,860.20 is: 645,629,745.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350,496,310.76 : 2,025,706,674.78 = 430,427,860.20 : x
  2. Step 2: Convert to fraction form
    1,350,496,310.76/2,025,706,674.78 = 430,427,860.20/x
  3. Step 3: Cross multiply
    1,350,496,310.76x = 2,025,706,674.78 × 430,427,860.20
  4. Step 4: Simplify right side
    1,350,496,310.76x = 871,920,589,418,412,672
  5. Step 5: Solve for x
    x = 871,920,589,418,412,672/1,350,496,310.76
  6. Step 6: Final answer
    x = 645,629,745.50

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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.