Home / 806,327,977.60-1,209,715,915.20-346,486,441.60

Finding the Fourth Proportional to 806,327,977.60, 1,209,715,915.20 and 346,486,441.60

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Solution

The fourth proportional to 806,327,977.60, 1,209,715,915.20 and 346,486,441.60 is: 519,825,895.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,327,977.60 : 1,209,715,915.20 = 346,486,441.60 : x
  2. Step 2: Convert to fraction form
    806,327,977.60/1,209,715,915.20 = 346,486,441.60/x
  3. Step 3: Cross multiply
    806,327,977.60x = 1,209,715,915.20 × 346,486,441.60
  4. Step 4: Simplify right side
    806,327,977.60x = 419,150,162,804,535,424
  5. Step 5: Solve for x
    x = 419,150,162,804,535,424/806,327,977.60
  6. Step 6: Final answer
    x = 519,825,895.23

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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.