Home / 20,466,441,268.02-28,243,883,669.85-12,008,408,949.54

Finding the Fourth Proportional to 20,466,441,268.02, 28,243,883,669.85 and 12,008,408,949.54

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Solution

The fourth proportional to 20,466,441,268.02, 28,243,883,669.85 and 12,008,408,949.54 is: 16,571,718,599.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,466,441,268.02 : 28,243,883,669.85 = 12,008,408,949.54 : x
  2. Step 2: Convert to fraction form
    20,466,441,268.02/28,243,883,669.85 = 12,008,408,949.54/x
  3. Step 3: Cross multiply
    20,466,441,268.02x = 28,243,883,669.85 × 12,008,408,949.54
  4. Step 4: Simplify right side
    20,466,441,268.02x = 339,164,105,430,817,439,744
  5. Step 5: Solve for x
    x = 339,164,105,430,817,439,744/20,466,441,268.02
  6. Step 6: Final answer
    x = 16,571,718,599.70

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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.