Home / 431,488,032.20-647,232,048.30-144,273,696.20

Finding the Fourth Proportional to 431,488,032.20, 647,232,048.30 and 144,273,696.20

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Solution

The fourth proportional to 431,488,032.20, 647,232,048.30 and 144,273,696.20 is: 216,410,544.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,488,032.20 : 647,232,048.30 = 144,273,696.20 : x
  2. Step 2: Convert to fraction form
    431,488,032.20/647,232,048.30 = 144,273,696.20/x
  3. Step 3: Cross multiply
    431,488,032.20x = 647,232,048.30 × 144,273,696.20
  4. Step 4: Simplify right side
    431,488,032.20x = 93,378,559,907,337,904
  5. Step 5: Solve for x
    x = 93,378,559,907,337,904/431,488,032.20
  6. Step 6: Final answer
    x = 216,410,544.30

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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.