Home / 552,961,166.36-763,109,592.30-318,012,010.28

Finding the Fourth Proportional to 552,961,166.36, 763,109,592.30 and 318,012,010.28

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Solution

The fourth proportional to 552,961,166.36, 763,109,592.30 and 318,012,010.28 is: 438,869,906.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,961,166.36 : 763,109,592.30 = 318,012,010.28 : x
  2. Step 2: Convert to fraction form
    552,961,166.36/763,109,592.30 = 318,012,010.28/x
  3. Step 3: Cross multiply
    552,961,166.36x = 763,109,592.30 × 318,012,010.28
  4. Step 4: Simplify right side
    552,961,166.36x = 242,678,015,511,274,176
  5. Step 5: Solve for x
    x = 242,678,015,511,274,176/552,961,166.36
  6. Step 6: Final answer
    x = 438,869,906.74

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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.