Home / 507,085,833.42-699,777,919.39-284,069,084.90

Finding the Fourth Proportional to 507,085,833.42, 699,777,919.39 and 284,069,084.90

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Solution

The fourth proportional to 507,085,833.42, 699,777,919.39 and 284,069,084.90 is: 392,015,039.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,085,833.42 : 699,777,919.39 = 284,069,084.90 : x
  2. Step 2: Convert to fraction form
    507,085,833.42/699,777,919.39 = 284,069,084.90/x
  3. Step 3: Cross multiply
    507,085,833.42x = 699,777,919.39 × 284,069,084.90
  4. Step 4: Simplify right side
    507,085,833.42x = 198,785,273,190,844,352
  5. Step 5: Solve for x
    x = 198,785,273,190,844,352/507,085,833.42
  6. Step 6: Final answer
    x = 392,015,039.84

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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.