Home / 622,625,540.63-859,224,977.82-340,371,392.11

Finding the Fourth Proportional to 622,625,540.63, 859,224,977.82 and 340,371,392.11

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Solution

The fourth proportional to 622,625,540.63, 859,224,977.82 and 340,371,392.11 is: 469,713,467.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,625,540.63 : 859,224,977.82 = 340,371,392.11 : x
  2. Step 2: Convert to fraction form
    622,625,540.63/859,224,977.82 = 340,371,392.11/x
  3. Step 3: Cross multiply
    622,625,540.63x = 859,224,977.82 × 340,371,392.11
  4. Step 4: Simplify right side
    622,625,540.63x = 292,455,601,836,277,312
  5. Step 5: Solve for x
    x = 292,455,601,836,277,312/622,625,540.63
  6. Step 6: Final answer
    x = 469,713,467.81

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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.