Home / 64,513,367,640.80-96,770,051,461.20-20,351,895,999.20

Finding the Fourth Proportional to 64,513,367,640.80, 96,770,051,461.20 and 20,351,895,999.20

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Solution

The fourth proportional to 64,513,367,640.80, 96,770,051,461.20 and 20,351,895,999.20 is: 30,527,843,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,513,367,640.80 : 96,770,051,461.20 = 20,351,895,999.20 : x
  2. Step 2: Convert to fraction form
    64,513,367,640.80/96,770,051,461.20 = 20,351,895,999.20/x
  3. Step 3: Cross multiply
    64,513,367,640.80x = 96,770,051,461.20 × 20,351,895,999.20
  4. Step 4: Simplify right side
    64,513,367,640.80x = 1,969,454,023,175,574,388,736
  5. Step 5: Solve for x
    x = 1,969,454,023,175,574,388,736/64,513,367,640.80
  6. Step 6: Final answer
    x = 30,527,843,998.80

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Double scale
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Similar ratio
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1.5x scale

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.