Home / 416,101,385.31-624,074,045.58-208,784,131.17

Finding the Fourth Proportional to 416,101,385.31, 624,074,045.58 and 208,784,131.17

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Solution

The fourth proportional to 416,101,385.31, 624,074,045.58 and 208,784,131.17 is: 313,137,043.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,101,385.31 : 624,074,045.58 = 208,784,131.17 : x
  2. Step 2: Convert to fraction form
    416,101,385.31/624,074,045.58 = 208,784,131.17/x
  3. Step 3: Cross multiply
    416,101,385.31x = 624,074,045.58 × 208,784,131.17
  4. Step 4: Simplify right side
    416,101,385.31x = 130,296,757,392,167,280
  5. Step 5: Solve for x
    x = 130,296,757,392,167,280/416,101,385.31
  6. Step 6: Final answer
    x = 313,137,043.02

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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.