Home / 304,502,583.36-420,212,501.28-165,273,337.92

Finding the Fourth Proportional to 304,502,583.36, 420,212,501.28 and 165,273,337.92

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Solution

The fourth proportional to 304,502,583.36, 420,212,501.28 and 165,273,337.92 is: 228,076,628.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,502,583.36 : 420,212,501.28 = 165,273,337.92 : x
  2. Step 2: Convert to fraction form
    304,502,583.36/420,212,501.28 = 165,273,337.92/x
  3. Step 3: Cross multiply
    304,502,583.36x = 420,212,501.28 × 165,273,337.92
  4. Step 4: Simplify right side
    304,502,583.36x = 69,449,922,722,257,864
  5. Step 5: Solve for x
    x = 69,449,922,722,257,864/304,502,583.36
  6. Step 6: Final answer
    x = 228,076,628.96

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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.