Home / 436,137,910.80-654,206,866.20-313,693,904.40

Finding the Fourth Proportional to 436,137,910.80, 654,206,866.20 and 313,693,904.40

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Solution

The fourth proportional to 436,137,910.80, 654,206,866.20 and 313,693,904.40 is: 470,540,856.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,137,910.80 : 654,206,866.20 = 313,693,904.40 : x
  2. Step 2: Convert to fraction form
    436,137,910.80/654,206,866.20 = 313,693,904.40/x
  3. Step 3: Cross multiply
    436,137,910.80x = 654,206,866.20 × 313,693,904.40
  4. Step 4: Simplify right side
    436,137,910.80x = 205,220,706,143,566,400
  5. Step 5: Solve for x
    x = 205,220,706,143,566,400/436,137,910.80
  6. Step 6: Final answer
    x = 470,540,856.60

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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.