Home / 304,905,640.54-420,768,914.44-165,676,365.40

Finding the Fourth Proportional to 304,905,640.54, 420,768,914.44 and 165,676,365.40

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Solution

The fourth proportional to 304,905,640.54, 420,768,914.44 and 165,676,365.40 is: 228,632,911.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,905,640.54 : 420,768,914.44 = 165,676,365.40 : x
  2. Step 2: Convert to fraction form
    304,905,640.54/420,768,914.44 = 165,676,365.40/x
  3. Step 3: Cross multiply
    304,905,640.54x = 420,768,914.44 × 165,676,365.40
  4. Step 4: Simplify right side
    304,905,640.54x = 69,711,464,417,722,776
  5. Step 5: Solve for x
    x = 69,711,464,417,722,776/304,905,640.54
  6. Step 6: Final answer
    x = 228,632,911.79

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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.