Home / 393,365,421.20-590,496,029.40-231,898,336.40

Finding the Fourth Proportional to 393,365,421.20, 590,496,029.40 and 231,898,336.40

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Solution

The fourth proportional to 393,365,421.20, 590,496,029.40 and 231,898,336.40 is: 348,111,550.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,365,421.20 : 590,496,029.40 = 231,898,336.40 : x
  2. Step 2: Convert to fraction form
    393,365,421.20/590,496,029.40 = 231,898,336.40/x
  3. Step 3: Cross multiply
    393,365,421.20x = 590,496,029.40 × 231,898,336.40
  4. Step 4: Simplify right side
    393,365,421.20x = 136,935,046,868,665,488
  5. Step 5: Solve for x
    x = 136,935,046,868,665,488/393,365,421.20
  6. Step 6: Final answer
    x = 348,111,550.96

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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.