Home / 487,957,920,469.80-731,936,880,704.70-173,775,669,973.80

Finding the Fourth Proportional to 487,957,920,469.80, 731,936,880,704.70 and 173,775,669,973.80

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Solution

The fourth proportional to 487,957,920,469.80, 731,936,880,704.70 and 173,775,669,973.80 is: 260,663,504,960.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,957,920,469.80 : 731,936,880,704.70 = 173,775,669,973.80 : x
  2. Step 2: Convert to fraction form
    487,957,920,469.80/731,936,880,704.70 = 173,775,669,973.80/x
  3. Step 3: Cross multiply
    487,957,920,469.80x = 731,936,880,704.70 × 173,775,669,973.80
  4. Step 4: Simplify right side
    487,957,920,469.80x = 127,192,821,822,992,557,277,184
  5. Step 5: Solve for x
    x = 127,192,821,822,992,557,277,184/487,957,920,469.80
  6. Step 6: Final answer
    x = 260,663,504,960.70

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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.