Home / 304,483,513.70-420,191,279.98-165,255,944.42

Finding the Fourth Proportional to 304,483,513.70, 420,191,279.98 and 165,255,944.42

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Solution

The fourth proportional to 304,483,513.70, 420,191,279.98 and 165,255,944.42 is: 228,055,391.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,483,513.70 : 420,191,279.98 = 165,255,944.42 : x
  2. Step 2: Convert to fraction form
    304,483,513.70/420,191,279.98 = 165,255,944.42/x
  3. Step 3: Cross multiply
    304,483,513.70x = 420,191,279.98 × 165,255,944.42
  4. Step 4: Simplify right side
    304,483,513.70x = 69,439,106,807,629,440
  5. Step 5: Solve for x
    x = 69,439,106,807,629,440/304,483,513.70
  6. Step 6: Final answer
    x = 228,055,391.13

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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.