Home / 393,365,301.20-590,495,849.40-231,898,216.40

Finding the Fourth Proportional to 393,365,301.20, 590,495,849.40 and 231,898,216.40

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Solution

The fourth proportional to 393,365,301.20, 590,495,849.40 and 231,898,216.40 is: 348,111,370.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,365,301.20 : 590,495,849.40 = 231,898,216.40 : x
  2. Step 2: Convert to fraction form
    393,365,301.20/590,495,849.40 = 231,898,216.40/x
  3. Step 3: Cross multiply
    393,365,301.20x = 590,495,849.40 × 231,898,216.40
  4. Step 4: Simplify right side
    393,365,301.20x = 136,934,934,267,463,008
  5. Step 5: Solve for x
    x = 136,934,934,267,463,008/393,365,301.20
  6. Step 6: Final answer
    x = 348,111,370.91

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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.