Home / 450,601,080.71-676,132,105.95-214,517,384.37

Finding the Fourth Proportional to 450,601,080.71, 676,132,105.95 and 214,517,384.37

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Solution

The fourth proportional to 450,601,080.71, 676,132,105.95 and 214,517,384.37 is: 321,885,803.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,601,080.71 : 676,132,105.95 = 214,517,384.37 : x
  2. Step 2: Convert to fraction form
    450,601,080.71/676,132,105.95 = 214,517,384.37/x
  3. Step 3: Cross multiply
    450,601,080.71x = 676,132,105.95 × 214,517,384.37
  4. Step 4: Simplify right side
    450,601,080.71x = 145,042,090,856,973,728
  5. Step 5: Solve for x
    x = 145,042,090,856,973,728/450,601,080.71
  6. Step 6: Final answer
    x = 321,885,803.36

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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.