Home / 401,970,083.78-554,722,616.69-232,411,590.72

Finding the Fourth Proportional to 401,970,083.78, 554,722,616.69 and 232,411,590.72

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Solution

The fourth proportional to 401,970,083.78, 554,722,616.69 and 232,411,590.72 is: 320,730,250.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,970,083.78 : 554,722,616.69 = 232,411,590.72 : x
  2. Step 2: Convert to fraction form
    401,970,083.78/554,722,616.69 = 232,411,590.72/x
  3. Step 3: Cross multiply
    401,970,083.78x = 554,722,616.69 × 232,411,590.72
  4. Step 4: Simplify right side
    401,970,083.78x = 128,923,965,752,121,648
  5. Step 5: Solve for x
    x = 128,923,965,752,121,648/401,970,083.78
  6. Step 6: Final answer
    x = 320,730,250.72

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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.