Home / 393,881,680.40-590,294,400.48-306,548,654.48

Finding the Fourth Proportional to 393,881,680.40, 590,294,400.48 and 306,548,654.48

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Solution

The fourth proportional to 393,881,680.40, 590,294,400.48 and 306,548,654.48 is: 459,411,958.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,881,680.40 : 590,294,400.48 = 306,548,654.48 : x
  2. Step 2: Convert to fraction form
    393,881,680.40/590,294,400.48 = 306,548,654.48/x
  3. Step 3: Cross multiply
    393,881,680.40x = 590,294,400.48 × 306,548,654.48
  4. Step 4: Simplify right side
    393,881,680.40x = 180,953,954,214,222,272
  5. Step 5: Solve for x
    x = 180,953,954,214,222,272/393,881,680.40
  6. Step 6: Final answer
    x = 459,411,958.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.