Home / 15,090,283,814.16-20,823,985,367.67-8,223,534,628.05

Finding the Fourth Proportional to 15,090,283,814.16, 20,823,985,367.67 and 8,223,534,628.05

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Solution

The fourth proportional to 15,090,283,814.16, 20,823,985,367.67 and 8,223,534,628.05 is: 11,348,147,382.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,090,283,814.16 : 20,823,985,367.67 = 8,223,534,628.05 : x
  2. Step 2: Convert to fraction form
    15,090,283,814.16/20,823,985,367.67 = 8,223,534,628.05/x
  3. Step 3: Cross multiply
    15,090,283,814.16x = 20,823,985,367.67 × 8,223,534,628.05
  4. Step 4: Simplify right side
    15,090,283,814.16x = 171,246,764,765,040,738,304
  5. Step 5: Solve for x
    x = 171,246,764,765,040,738,304/15,090,283,814.16
  6. Step 6: Final answer
    x = 11,348,147,382.38

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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.