Home / 439,755,421.80-659,633,132.70-336,443,291.40

Finding the Fourth Proportional to 439,755,421.80, 659,633,132.70 and 336,443,291.40

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Solution

The fourth proportional to 439,755,421.80, 659,633,132.70 and 336,443,291.40 is: 504,664,937.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,755,421.80 : 659,633,132.70 = 336,443,291.40 : x
  2. Step 2: Convert to fraction form
    439,755,421.80/659,633,132.70 = 336,443,291.40/x
  3. Step 3: Cross multiply
    439,755,421.80x = 659,633,132.70 × 336,443,291.40
  4. Step 4: Simplify right side
    439,755,421.80x = 221,929,142,282,080,960
  5. Step 5: Solve for x
    x = 221,929,142,282,080,960/439,755,421.80
  6. Step 6: Final answer
    x = 504,664,937.10

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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.