Home / 13,436,939,277.80-20,155,408,916.70-12,211,491,444.20

Finding the Fourth Proportional to 13,436,939,277.80, 20,155,408,916.70 and 12,211,491,444.20

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Solution

The fourth proportional to 13,436,939,277.80, 20,155,408,916.70 and 12,211,491,444.20 is: 18,317,237,166.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,436,939,277.80 : 20,155,408,916.70 = 12,211,491,444.20 : x
  2. Step 2: Convert to fraction form
    13,436,939,277.80/20,155,408,916.70 = 12,211,491,444.20/x
  3. Step 3: Cross multiply
    13,436,939,277.80x = 20,155,408,916.70 × 12,211,491,444.20
  4. Step 4: Simplify right side
    13,436,939,277.80x = 246,127,603,540,634,468,352
  5. Step 5: Solve for x
    x = 246,127,603,540,634,468,352/13,436,939,277.80
  6. Step 6: Final answer
    x = 18,317,237,166.30

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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.