Home / 18,865,211,319.80-28,287,198,637.85-6,267,325,354.64

Finding the Fourth Proportional to 18,865,211,319.80, 28,287,198,637.85 and 6,267,325,354.64

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Solution

The fourth proportional to 18,865,211,319.80, 28,287,198,637.85 and 6,267,325,354.64 is: 9,397,460,448.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,865,211,319.80 : 28,287,198,637.85 = 6,267,325,354.64 : x
  2. Step 2: Convert to fraction form
    18,865,211,319.80/28,287,198,637.85 = 6,267,325,354.64/x
  3. Step 3: Cross multiply
    18,865,211,319.80x = 28,287,198,637.85 × 6,267,325,354.64
  4. Step 4: Simplify right side
    18,865,211,319.80x = 177,285,077,234,612,764,672
  5. Step 5: Solve for x
    x = 177,285,077,234,612,764,672/18,865,211,319.80
  6. Step 6: Final answer
    x = 9,397,460,448.73

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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.