Home / 4,768,645,261.08-7,152,969,734.82-2,145,385,879.32

Finding the Fourth Proportional to 4,768,645,261.08, 7,152,969,734.82 and 2,145,385,879.32

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Solution

The fourth proportional to 4,768,645,261.08, 7,152,969,734.82 and 2,145,385,879.32 is: 3,218,079,648.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,768,645,261.08 : 7,152,969,734.82 = 2,145,385,879.32 : x
  2. Step 2: Convert to fraction form
    4,768,645,261.08/7,152,969,734.82 = 2,145,385,879.32/x
  3. Step 3: Cross multiply
    4,768,645,261.08x = 7,152,969,734.82 × 2,145,385,879.32
  4. Step 4: Simplify right side
    4,768,645,261.08x = 15,345,880,264,286,152,704
  5. Step 5: Solve for x
    x = 15,345,880,264,286,152,704/4,768,645,261.08
  6. Step 6: Final answer
    x = 3,218,079,648.23

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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.