Home / 4,188,975,875.42-6,281,572,916.52-1,200,355,379.73

Finding the Fourth Proportional to 4,188,975,875.42, 6,281,572,916.52 and 1,200,355,379.73

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Solution

The fourth proportional to 4,188,975,875.42, 6,281,572,916.52 and 1,200,355,379.73 is: 1,799,991,231.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188,975,875.42 : 6,281,572,916.52 = 1,200,355,379.73 : x
  2. Step 2: Convert to fraction form
    4,188,975,875.42/6,281,572,916.52 = 1,200,355,379.73/x
  3. Step 3: Cross multiply
    4,188,975,875.42x = 6,281,572,916.52 × 1,200,355,379.73
  4. Step 4: Simplify right side
    4,188,975,875.42x = 7,540,119,843,511,049,216
  5. Step 5: Solve for x
    x = 7,540,119,843,511,049,216/4,188,975,875.42
  6. Step 6: Final answer
    x = 1,799,991,231.21

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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.