Home / 403,987,675,747.78-557,502,628,670.85-228,041,184,324.71

Finding the Fourth Proportional to 403,987,675,747.78, 557,502,628,670.85 and 228,041,184,324.71

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Solution

The fourth proportional to 403,987,675,747.78, 557,502,628,670.85 and 228,041,184,324.71 is: 314,696,628,977.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,987,675,747.78 : 557,502,628,670.85 = 228,041,184,324.71 : x
  2. Step 2: Convert to fraction form
    403,987,675,747.78/557,502,628,670.85 = 228,041,184,324.71/x
  3. Step 3: Cross multiply
    403,987,675,747.78x = 557,502,628,670.85 × 228,041,184,324.71
  4. Step 4: Simplify right side
    403,987,675,747.78x = 127,133,559,706,239,646,040,064
  5. Step 5: Solve for x
    x = 127,133,559,706,239,646,040,064/403,987,675,747.78
  6. Step 6: Final answer
    x = 314,696,628,977.40

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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.