Home / 1,728,205,251.72-2,592,314,603.06-418,105,202.12

Finding the Fourth Proportional to 1,728,205,251.72, 2,592,314,603.06 and 418,105,202.12

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Solution

The fourth proportional to 1,728,205,251.72, 2,592,314,603.06 and 418,105,202.12 is: 627,159,430.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,205,251.72 : 2,592,314,603.06 = 418,105,202.12 : x
  2. Step 2: Convert to fraction form
    1,728,205,251.72/2,592,314,603.06 = 418,105,202.12/x
  3. Step 3: Cross multiply
    1,728,205,251.72x = 2,592,314,603.06 × 418,105,202.12
  4. Step 4: Simplify right side
    1,728,205,251.72x = 1,083,860,221,071,028,864
  5. Step 5: Solve for x
    x = 1,083,860,221,071,028,864/1,728,205,251.72
  6. Step 6: Final answer
    x = 627,159,430.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.