Home / 455,158,891.82-628,121,185.66-246,315,044.72

Finding the Fourth Proportional to 455,158,891.82, 628,121,185.66 and 246,315,044.72

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Solution

The fourth proportional to 455,158,891.82, 628,121,185.66 and 246,315,044.72 is: 339,915,798.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,158,891.82 : 628,121,185.66 = 246,315,044.72 : x
  2. Step 2: Convert to fraction form
    455,158,891.82/628,121,185.66 = 246,315,044.72/x
  3. Step 3: Cross multiply
    455,158,891.82x = 628,121,185.66 × 246,315,044.72
  4. Step 4: Simplify right side
    455,158,891.82x = 154,715,697,935,422,304
  5. Step 5: Solve for x
    x = 154,715,697,935,422,304/455,158,891.82
  6. Step 6: Final answer
    x = 339,915,798.01

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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.