Home / 331,448,900.17-457,319,494.24-213,949,066.45

Finding the Fourth Proportional to 331,448,900.17, 457,319,494.24 and 213,949,066.45

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Solution

The fourth proportional to 331,448,900.17, 457,319,494.24 and 213,949,066.45 is: 295,198,079.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,448,900.17 : 457,319,494.24 = 213,949,066.45 : x
  2. Step 2: Convert to fraction form
    331,448,900.17/457,319,494.24 = 213,949,066.45/x
  3. Step 3: Cross multiply
    331,448,900.17x = 457,319,494.24 × 213,949,066.45
  4. Step 4: Simplify right side
    331,448,900.17x = 97,843,078,862,034,144
  5. Step 5: Solve for x
    x = 97,843,078,862,034,144/331,448,900.17
  6. Step 6: Final answer
    x = 295,198,079.74

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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.