Home / 3,165,741,645.21-4,748,652,880.85-836,658,504.57

Finding the Fourth Proportional to 3,165,741,645.21, 4,748,652,880.85 and 836,658,504.57

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Solution

The fourth proportional to 3,165,741,645.21, 4,748,652,880.85 and 836,658,504.57 is: 1,254,998,437.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165,741,645.21 : 4,748,652,880.85 = 836,658,504.57 : x
  2. Step 2: Convert to fraction form
    3,165,741,645.21/4,748,652,880.85 = 836,658,504.57/x
  3. Step 3: Cross multiply
    3,165,741,645.21x = 4,748,652,880.85 × 836,658,504.57
  4. Step 4: Simplify right side
    3,165,741,645.21x = 3,973,000,818,009,800,704
  5. Step 5: Solve for x
    x = 3,973,000,818,009,800,704/3,165,741,645.21
  6. Step 6: Final answer
    x = 1,254,998,437.42

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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.