Home / 481,071,669.38-663,878,903.87-261,055,095.38

Finding the Fourth Proportional to 481,071,669.38, 663,878,903.87 and 261,055,095.38

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Solution

The fourth proportional to 481,071,669.38, 663,878,903.87 and 261,055,095.38 is: 360,256,031.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,071,669.38 : 663,878,903.87 = 261,055,095.38 : x
  2. Step 2: Convert to fraction form
    481,071,669.38/663,878,903.87 = 261,055,095.38/x
  3. Step 3: Cross multiply
    481,071,669.38x = 663,878,903.87 × 261,055,095.38
  4. Step 4: Simplify right side
    481,071,669.38x = 173,308,970,565,928,032
  5. Step 5: Solve for x
    x = 173,308,970,565,928,032/481,071,669.38
  6. Step 6: Final answer
    x = 360,256,031.69

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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.