Home / 431,962,937.33-647,973,137.69-151,809,969.17

Finding the Fourth Proportional to 431,962,937.33, 647,973,137.69 and 151,809,969.17

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Solution

The fourth proportional to 431,962,937.33, 647,973,137.69 and 151,809,969.17 is: 227,725,051.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,962,937.33 : 647,973,137.69 = 151,809,969.17 : x
  2. Step 2: Convert to fraction form
    431,962,937.33/647,973,137.69 = 151,809,969.17/x
  3. Step 3: Cross multiply
    431,962,937.33x = 647,973,137.69 × 151,809,969.17
  4. Step 4: Simplify right side
    431,962,937.33x = 98,368,782,051,708,128
  5. Step 5: Solve for x
    x = 98,368,782,051,708,128/431,962,937.33
  6. Step 6: Final answer
    x = 227,725,051.28

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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.