Home / 622,625,540.25-859,224,977.30-340,371,391.74

Finding the Fourth Proportional to 622,625,540.25, 859,224,977.30 and 340,371,391.74

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Solution

The fourth proportional to 622,625,540.25, 859,224,977.30 and 340,371,391.74 is: 469,713,467.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,625,540.25 : 859,224,977.30 = 340,371,391.74 : x
  2. Step 2: Convert to fraction form
    622,625,540.25/859,224,977.30 = 340,371,391.74/x
  3. Step 3: Cross multiply
    622,625,540.25x = 859,224,977.30 × 340,371,391.74
  4. Step 4: Simplify right side
    622,625,540.25x = 292,455,601,341,370,880
  5. Step 5: Solve for x
    x = 292,455,601,341,370,880/622,625,540.25
  6. Step 6: Final answer
    x = 469,713,467.30

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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.