Home / 3,156,493,236.60-4,734,739,854.90-858,778,548.60

Finding the Fourth Proportional to 3,156,493,236.60, 4,734,739,854.90 and 858,778,548.60

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Solution

The fourth proportional to 3,156,493,236.60, 4,734,739,854.90 and 858,778,548.60 is: 1,288,167,822.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156,493,236.60 : 4,734,739,854.90 = 858,778,548.60 : x
  2. Step 2: Convert to fraction form
    3,156,493,236.60/4,734,739,854.90 = 858,778,548.60/x
  3. Step 3: Cross multiply
    3,156,493,236.60x = 4,734,739,854.90 × 858,778,548.60
  4. Step 4: Simplify right side
    3,156,493,236.60x = 4,066,093,020,589,596,160
  5. Step 5: Solve for x
    x = 4,066,093,020,589,596,160/3,156,493,236.60
  6. Step 6: Final answer
    x = 1,288,167,822.90

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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.