Home / 12,020,118,459.38-18,030,178,249.67-8,234,778,144.04

Finding the Fourth Proportional to 12,020,118,459.38, 18,030,178,249.67 and 8,234,778,144.04

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Solution

The fourth proportional to 12,020,118,459.38, 18,030,178,249.67 and 8,234,778,144.04 is: 12,352,167,600.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,020,118,459.38 : 18,030,178,249.67 = 8,234,778,144.04 : x
  2. Step 2: Convert to fraction form
    12,020,118,459.38/18,030,178,249.67 = 8,234,778,144.04/x
  3. Step 3: Cross multiply
    12,020,118,459.38x = 18,030,178,249.67 × 8,234,778,144.04
  4. Step 4: Simplify right side
    12,020,118,459.38x = 148,474,517,783,527,882,752
  5. Step 5: Solve for x
    x = 148,474,517,783,527,882,752/12,020,118,459.38
  6. Step 6: Final answer
    x = 12,352,167,600.12

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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.