Home / 421,084,207.89-581,057,209.85-232,908,452.37

Finding the Fourth Proportional to 421,084,207.89, 581,057,209.85 and 232,908,452.37

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Solution

The fourth proportional to 421,084,207.89, 581,057,209.85 and 232,908,452.37 is: 321,392,094.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,084,207.89 : 581,057,209.85 = 232,908,452.37 : x
  2. Step 2: Convert to fraction form
    421,084,207.89/581,057,209.85 = 232,908,452.37/x
  3. Step 3: Cross multiply
    421,084,207.89x = 581,057,209.85 × 232,908,452.37
  4. Step 4: Simplify right side
    421,084,207.89x = 135,333,135,483,429,280
  5. Step 5: Solve for x
    x = 135,333,135,483,429,280/421,084,207.89
  6. Step 6: Final answer
    x = 321,392,094.38

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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.