Home / 552,961,165.33-763,109,590.89-318,012,009.31

Finding the Fourth Proportional to 552,961,165.33, 763,109,590.89 and 318,012,009.31

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Solution

The fourth proportional to 552,961,165.33, 763,109,590.89 and 318,012,009.31 is: 438,869,905.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,961,165.33 : 763,109,590.89 = 318,012,009.31 : x
  2. Step 2: Convert to fraction form
    552,961,165.33/763,109,590.89 = 318,012,009.31/x
  3. Step 3: Cross multiply
    552,961,165.33x = 763,109,590.89 × 318,012,009.31
  4. Step 4: Simplify right side
    552,961,165.33x = 242,678,014,322,660,960
  5. Step 5: Solve for x
    x = 242,678,014,322,660,960/552,961,165.33
  6. Step 6: Final answer
    x = 438,869,905.41

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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.