Home / 28,347,755,544.66-42,491,931,170.19-13,208,843,686.41

Finding the Fourth Proportional to 28,347,755,544.66, 42,491,931,170.19 and 13,208,843,686.41

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Solution

The fourth proportional to 28,347,755,544.66, 42,491,931,170.19 and 13,208,843,686.41 is: 19,799,425,597.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,347,755,544.66 : 42,491,931,170.19 = 13,208,843,686.41 : x
  2. Step 2: Convert to fraction form
    28,347,755,544.66/42,491,931,170.19 = 13,208,843,686.41/x
  3. Step 3: Cross multiply
    28,347,755,544.66x = 42,491,931,170.19 × 13,208,843,686.41
  4. Step 4: Simplify right side
    28,347,755,544.66x = 561,269,276,760,732,467,200
  5. Step 5: Solve for x
    x = 561,269,276,760,732,467,200/28,347,755,544.66
  6. Step 6: Final answer
    x = 19,799,425,597.43

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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.