Home / 28,143,960,524.55-42,223,086,422.96-13,028,427,297.63

Finding the Fourth Proportional to 28,143,960,524.55, 42,223,086,422.96 and 13,028,427,297.63

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Solution

The fourth proportional to 28,143,960,524.55, 42,223,086,422.96 and 13,028,427,297.63 is: 19,545,948,810.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,143,960,524.55 : 42,223,086,422.96 = 13,028,427,297.63 : x
  2. Step 2: Convert to fraction form
    28,143,960,524.55/42,223,086,422.96 = 13,028,427,297.63/x
  3. Step 3: Cross multiply
    28,143,960,524.55x = 42,223,086,422.96 × 13,028,427,297.63
  4. Step 4: Simplify right side
    28,143,960,524.55x = 550,100,411,743,017,566,208
  5. Step 5: Solve for x
    x = 550,100,411,743,017,566,208/28,143,960,524.55
  6. Step 6: Final answer
    x = 19,545,948,810.69

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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.