Home / 511,102,200.53-705,370,832.45-302,325,603.68

Finding the Fourth Proportional to 511,102,200.53, 705,370,832.45 and 302,325,603.68

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Solution

The fourth proportional to 511,102,200.53, 705,370,832.45 and 302,325,603.68 is: 417,238,788.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,102,200.53 : 705,370,832.45 = 302,325,603.68 : x
  2. Step 2: Convert to fraction form
    511,102,200.53/705,370,832.45 = 302,325,603.68/x
  3. Step 3: Cross multiply
    511,102,200.53x = 705,370,832.45 × 302,325,603.68
  4. Step 4: Simplify right side
    511,102,200.53x = 213,251,662,738,710,400
  5. Step 5: Solve for x
    x = 213,251,662,738,710,400/511,102,200.53
  6. Step 6: Final answer
    x = 417,238,788.09

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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.