Home / 19,920,496,847.13-29,885,986,229.24-7,158,860,265.22

Finding the Fourth Proportional to 19,920,496,847.13, 29,885,986,229.24 and 7,158,860,265.22

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Solution

The fourth proportional to 19,920,496,847.13, 29,885,986,229.24 and 7,158,860,265.22 is: 10,740,173,849.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,920,496,847.13 : 29,885,986,229.24 = 7,158,860,265.22 : x
  2. Step 2: Convert to fraction form
    19,920,496,847.13/29,885,986,229.24 = 7,158,860,265.22/x
  3. Step 3: Cross multiply
    19,920,496,847.13x = 29,885,986,229.24 × 7,158,860,265.22
  4. Step 4: Simplify right side
    19,920,496,847.13x = 213,949,599,303,418,347,520
  5. Step 5: Solve for x
    x = 213,949,599,303,418,347,520/19,920,496,847.13
  6. Step 6: Final answer
    x = 10,740,173,849.34

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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.