Home / 13,903,501,276.80-20,855,251,915.20-12,379,753,641.60

Finding the Fourth Proportional to 13,903,501,276.80, 20,855,251,915.20 and 12,379,753,641.60

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Solution

The fourth proportional to 13,903,501,276.80, 20,855,251,915.20 and 12,379,753,641.60 is: 18,569,630,462.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,903,501,276.80 : 20,855,251,915.20 = 12,379,753,641.60 : x
  2. Step 2: Convert to fraction form
    13,903,501,276.80/20,855,251,915.20 = 12,379,753,641.60/x
  3. Step 3: Cross multiply
    13,903,501,276.80x = 20,855,251,915.20 × 12,379,753,641.60
  4. Step 4: Simplify right side
    13,903,501,276.80x = 258,182,880,843,682,578,432
  5. Step 5: Solve for x
    x = 258,182,880,843,682,578,432/13,903,501,276.80
  6. Step 6: Final answer
    x = 18,569,630,462.40

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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.