Home / 20,352,590,197.92-28,086,171,687-11,320,154,008.20

Finding the Fourth Proportional to 20,352,590,197.92, 28,086,171,687 and 11,320,154,008.20

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Solution

The fourth proportional to 20,352,590,197.92, 28,086,171,687 and 11,320,154,008.20 is: 15,621,588,500.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,352,590,197.92 : 28,086,171,687 = 11,320,154,008.20 : x
  2. Step 2: Convert to fraction form
    20,352,590,197.92/28,086,171,687 = 11,320,154,008.20/x
  3. Step 3: Cross multiply
    20,352,590,197.92x = 28,086,171,687 × 11,320,154,008.20
  4. Step 4: Simplify right side
    20,352,590,197.92x = 317,939,788,997,586,452,480
  5. Step 5: Solve for x
    x = 317,939,788,997,586,452,480/20,352,590,197.92
  6. Step 6: Final answer
    x = 15,621,588,500.81

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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.