Home / 28,730,279,137.19-39,648,989,717.06-16,522,993,785.78

Finding the Fourth Proportional to 28,730,279,137.19, 39,648,989,717.06 and 16,522,993,785.78

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Solution

The fourth proportional to 28,730,279,137.19, 39,648,989,717.06 and 16,522,993,785.78 is: 22,802,424,145.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,730,279,137.19 : 39,648,989,717.06 = 16,522,993,785.78 : x
  2. Step 2: Convert to fraction form
    28,730,279,137.19/39,648,989,717.06 = 16,522,993,785.78/x
  3. Step 3: Cross multiply
    28,730,279,137.19x = 39,648,989,717.06 × 16,522,993,785.78
  4. Step 4: Simplify right side
    28,730,279,137.19x = 655,120,010,707,354,910,720
  5. Step 5: Solve for x
    x = 655,120,010,707,354,910,720/28,730,279,137.19
  6. Step 6: Final answer
    x = 22,802,424,145.59

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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.