Home / 20,227,117,558.32-30,280,226,432.76-12,235,099,461.84

Finding the Fourth Proportional to 20,227,117,558.32, 30,280,226,432.76 and 12,235,099,461.84

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Solution

The fourth proportional to 20,227,117,558.32, 30,280,226,432.76 and 12,235,099,461.84 is: 18,316,083,893.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,227,117,558.32 : 30,280,226,432.76 = 12,235,099,461.84 : x
  2. Step 2: Convert to fraction form
    20,227,117,558.32/30,280,226,432.76 = 12,235,099,461.84/x
  3. Step 3: Cross multiply
    20,227,117,558.32x = 30,280,226,432.76 × 12,235,099,461.84
  4. Step 4: Simplify right side
    20,227,117,558.32x = 370,481,582,131,855,228,928
  5. Step 5: Solve for x
    x = 370,481,582,131,855,228,928/20,227,117,558.32
  6. Step 6: Final answer
    x = 18,316,083,893.99

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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.