Home / 10,221,164,762.80-15,331,747,144.20-3,677,212,865.20

Finding the Fourth Proportional to 10,221,164,762.80, 15,331,747,144.20 and 3,677,212,865.20

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Solution

The fourth proportional to 10,221,164,762.80, 15,331,747,144.20 and 3,677,212,865.20 is: 5,515,819,297.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,221,164,762.80 : 15,331,747,144.20 = 3,677,212,865.20 : x
  2. Step 2: Convert to fraction form
    10,221,164,762.80/15,331,747,144.20 = 3,677,212,865.20/x
  3. Step 3: Cross multiply
    10,221,164,762.80x = 15,331,747,144.20 × 3,677,212,865.20
  4. Step 4: Simplify right side
    10,221,164,762.80x = 56,378,097,844,645,601,280
  5. Step 5: Solve for x
    x = 56,378,097,844,645,601,280/10,221,164,762.80
  6. Step 6: Final answer
    x = 5,515,819,297.80

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Double scale
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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.