Home / 622,787,378.55-859,431,452.90-344,321,742.39

Finding the Fourth Proportional to 622,787,378.55, 859,431,452.90 and 344,321,742.39

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Solution

The fourth proportional to 622,787,378.55, 859,431,452.90 and 344,321,742.39 is: 475,155,639.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,787,378.55 : 859,431,452.90 = 344,321,742.39 : x
  2. Step 2: Convert to fraction form
    622,787,378.55/859,431,452.90 = 344,321,742.39/x
  3. Step 3: Cross multiply
    622,787,378.55x = 859,431,452.90 × 344,321,742.39
  4. Step 4: Simplify right side
    622,787,378.55x = 295,920,935,325,575,616
  5. Step 5: Solve for x
    x = 295,920,935,325,575,616/622,787,378.55
  6. Step 6: Final answer
    x = 475,155,639.82

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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.