Home / 13,903,501,277.80-20,855,251,916.70-12,379,753,642.60

Finding the Fourth Proportional to 13,903,501,277.80, 20,855,251,916.70 and 12,379,753,642.60

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Solution

The fourth proportional to 13,903,501,277.80, 20,855,251,916.70 and 12,379,753,642.60 is: 18,569,630,463.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,903,501,277.80 : 20,855,251,916.70 = 12,379,753,642.60 : x
  2. Step 2: Convert to fraction form
    13,903,501,277.80/20,855,251,916.70 = 12,379,753,642.60/x
  3. Step 3: Cross multiply
    13,903,501,277.80x = 20,855,251,916.70 × 12,379,753,642.60
  4. Step 4: Simplify right side
    13,903,501,277.80x = 258,182,880,883,107,463,168
  5. Step 5: Solve for x
    x = 258,182,880,883,107,463,168/13,903,501,277.80
  6. Step 6: Final answer
    x = 18,569,630,463.90

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1.5x scale

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.