Home / 481,215,206.89-664,059,803.41-272,366,865.51

Finding the Fourth Proportional to 481,215,206.89, 664,059,803.41 and 272,366,865.51

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Solution

The fourth proportional to 481,215,206.89, 664,059,803.41 and 272,366,865.51 is: 375,856,549.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,215,206.89 : 664,059,803.41 = 272,366,865.51 : x
  2. Step 2: Convert to fraction form
    481,215,206.89/664,059,803.41 = 272,366,865.51/x
  3. Step 3: Cross multiply
    481,215,206.89x = 664,059,803.41 × 272,366,865.51
  4. Step 4: Simplify right side
    481,215,206.89x = 180,867,887,163,818,752
  5. Step 5: Solve for x
    x = 180,867,887,163,818,752/481,215,206.89
  6. Step 6: Final answer
    x = 375,856,549.36

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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.