Home / 1,247,379,984,265.80-1,867,847,566,438.40-860,898,672,046.40

Finding the Fourth Proportional to 1,247,379,984,265.80, 1,867,847,566,438.40 and 860,898,672,046.40

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Solution

The fourth proportional to 1,247,379,984,265.80, 1,867,847,566,438.40 and 860,898,672,046.40 is: 1,289,124,011,780.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,379,984,265.80 : 1,867,847,566,438.40 = 860,898,672,046.40 : x
  2. Step 2: Convert to fraction form
    1,247,379,984,265.80/1,867,847,566,438.40 = 860,898,672,046.40/x
  3. Step 3: Cross multiply
    1,247,379,984,265.80x = 1,867,847,566,438.40 × 860,898,672,046.40
  4. Step 4: Simplify right side
    1,247,379,984,265.80x = 1,608,027,489,531,918,483,980,288
  5. Step 5: Solve for x
    x = 1,608,027,489,531,918,483,980,288/1,247,379,984,265.80
  6. Step 6: Final answer
    x = 1,289,124,011,780.90

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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.