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Finding the Fourth Proportional to 398,601,201.70, 597,901,802.55 and 362,250,637.30

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Solution

The fourth proportional to 398,601,201.70, 597,901,802.55 and 362,250,637.30 is: 543,375,955.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,601,201.70 : 597,901,802.55 = 362,250,637.30 : x
  2. Step 2: Convert to fraction form
    398,601,201.70/597,901,802.55 = 362,250,637.30/x
  3. Step 3: Cross multiply
    398,601,201.70x = 597,901,802.55 × 362,250,637.30
  4. Step 4: Simplify right side
    398,601,201.70x = 216,590,309,016,556,256
  5. Step 5: Solve for x
    x = 216,590,309,016,556,256/398,601,201.70
  6. Step 6: Final answer
    x = 543,375,955.95

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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.