Home / 20,271,021,674.88-27,975,666,495.60-11,241,607,612.80

Finding the Fourth Proportional to 20,271,021,674.88, 27,975,666,495.60 and 11,241,607,612.80

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Solution

The fourth proportional to 20,271,021,674.88, 27,975,666,495.60 and 11,241,607,612.80 is: 15,514,337,190.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,271,021,674.88 : 27,975,666,495.60 = 11,241,607,612.80 : x
  2. Step 2: Convert to fraction form
    20,271,021,674.88/27,975,666,495.60 = 11,241,607,612.80/x
  3. Step 3: Cross multiply
    20,271,021,674.88x = 27,975,666,495.60 × 11,241,607,612.80
  4. Step 4: Simplify right side
    20,271,021,674.88x = 314,491,465,450,090,790,912
  5. Step 5: Solve for x
    x = 314,491,465,450,090,790,912/20,271,021,674.88
  6. Step 6: Final answer
    x = 15,514,337,190.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.