Home / 1,907,431,327.32-2,861,283,193.50-508,408,270.64

Finding the Fourth Proportional to 1,907,431,327.32, 2,861,283,193.50 and 508,408,270.64

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Solution

The fourth proportional to 1,907,431,327.32, 2,861,283,193.50 and 508,408,270.64 is: 762,648,709.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,907,431,327.32 : 2,861,283,193.50 = 508,408,270.64 : x
  2. Step 2: Convert to fraction form
    1,907,431,327.32/2,861,283,193.50 = 508,408,270.64/x
  3. Step 3: Cross multiply
    1,907,431,327.32x = 2,861,283,193.50 × 508,408,270.64
  4. Step 4: Simplify right side
    1,907,431,327.32x = 1,454,700,040,218,631,424
  5. Step 5: Solve for x
    x = 1,454,700,040,218,631,424/1,907,431,327.32
  6. Step 6: Final answer
    x = 762,648,709.49

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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.