Home / 19,621,330,147.20-29,431,995,220.80-19,621,330,147.20

Finding the Fourth Proportional to 19,621,330,147.20, 29,431,995,220.80 and 19,621,330,147.20

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Solution

The fourth proportional to 19,621,330,147.20, 29,431,995,220.80 and 19,621,330,147.20 is: 29,431,995,220.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,621,330,147.20 : 29,431,995,220.80 = 19,621,330,147.20 : x
  2. Step 2: Convert to fraction form
    19,621,330,147.20/29,431,995,220.80 = 19,621,330,147.20/x
  3. Step 3: Cross multiply
    19,621,330,147.20x = 29,431,995,220.80 × 19,621,330,147.20
  4. Step 4: Simplify right side
    19,621,330,147.20x = 577,494,895,118,129,364,992
  5. Step 5: Solve for x
    x = 577,494,895,118,129,364,992/19,621,330,147.20
  6. Step 6: Final answer
    x = 29,431,995,220.80

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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.