Home / 3,638,408,033.15-5,021,018,213.33-1,967,657,173.73

Finding the Fourth Proportional to 3,638,408,033.15, 5,021,018,213.33 and 1,967,657,173.73

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Solution

The fourth proportional to 3,638,408,033.15, 5,021,018,213.33 and 1,967,657,173.73 is: 2,715,375,080.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638,408,033.15 : 5,021,018,213.33 = 1,967,657,173.73 : x
  2. Step 2: Convert to fraction form
    3,638,408,033.15/5,021,018,213.33 = 1,967,657,173.73/x
  3. Step 3: Cross multiply
    3,638,408,033.15x = 5,021,018,213.33 × 1,967,657,173.73
  4. Step 4: Simplify right side
    3,638,408,033.15x = 9,879,642,506,887,761,920
  5. Step 5: Solve for x
    x = 9,879,642,506,887,761,920/3,638,408,033.15
  6. Step 6: Final answer
    x = 2,715,375,080.77

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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.