Home / 481,319,081.40-720,801,155.88-434,737,206.12

Finding the Fourth Proportional to 481,319,081.40, 720,801,155.88 and 434,737,206.12

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Solution

The fourth proportional to 481,319,081.40, 720,801,155.88 and 434,737,206.12 is: 651,042,297.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,319,081.40 : 720,801,155.88 = 434,737,206.12 : x
  2. Step 2: Convert to fraction form
    481,319,081.40/720,801,155.88 = 434,737,206.12/x
  3. Step 3: Cross multiply
    481,319,081.40x = 720,801,155.88 × 434,737,206.12
  4. Step 4: Simplify right side
    481,319,081.40x = 313,359,080,675,337,792
  5. Step 5: Solve for x
    x = 313,359,080,675,337,792/481,319,081.40
  6. Step 6: Final answer
    x = 651,042,297.69

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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.