Home / 3,638,408,031.15-5,021,018,210.57-1,967,657,171.73

Finding the Fourth Proportional to 3,638,408,031.15, 5,021,018,210.57 and 1,967,657,171.73

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Solution

The fourth proportional to 3,638,408,031.15, 5,021,018,210.57 and 1,967,657,171.73 is: 2,715,375,078.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638,408,031.15 : 5,021,018,210.57 = 1,967,657,171.73 : x
  2. Step 2: Convert to fraction form
    3,638,408,031.15/5,021,018,210.57 = 1,967,657,171.73/x
  3. Step 3: Cross multiply
    3,638,408,031.15x = 5,021,018,210.57 × 1,967,657,171.73
  4. Step 4: Simplify right side
    3,638,408,031.15x = 9,879,642,491,394,805,760
  5. Step 5: Solve for x
    x = 9,879,642,491,394,805,760/3,638,408,031.15
  6. Step 6: Final answer
    x = 2,715,375,078.01

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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.