Home / 622,625,541.63-859,224,979.20-340,371,393.11

Finding the Fourth Proportional to 622,625,541.63, 859,224,979.20 and 340,371,393.11

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Solution

The fourth proportional to 622,625,541.63, 859,224,979.20 and 340,371,393.11 is: 469,713,469.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,625,541.63 : 859,224,979.20 = 340,371,393.11 : x
  2. Step 2: Convert to fraction form
    622,625,541.63/859,224,979.20 = 340,371,393.11/x
  3. Step 3: Cross multiply
    622,625,541.63x = 859,224,979.20 × 340,371,393.11
  4. Step 4: Simplify right side
    622,625,541.63x = 292,455,603,165,214,784
  5. Step 5: Solve for x
    x = 292,455,603,165,214,784/622,625,541.63
  6. Step 6: Final answer
    x = 469,713,469.19

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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.