Home / 2,099,537,872.20-3,149,306,808.30-1,320,657,942.60

Finding the Fourth Proportional to 2,099,537,872.20, 3,149,306,808.30 and 1,320,657,942.60

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Solution

The fourth proportional to 2,099,537,872.20, 3,149,306,808.30 and 1,320,657,942.60 is: 1,980,986,913.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,099,537,872.20 : 3,149,306,808.30 = 1,320,657,942.60 : x
  2. Step 2: Convert to fraction form
    2,099,537,872.20/3,149,306,808.30 = 1,320,657,942.60/x
  3. Step 3: Cross multiply
    2,099,537,872.20x = 3,149,306,808.30 × 1,320,657,942.60
  4. Step 4: Simplify right side
    2,099,537,872.20x = 4,159,157,050,065,650,688
  5. Step 5: Solve for x
    x = 4,159,157,050,065,650,688/2,099,537,872.20
  6. Step 6: Final answer
    x = 1,980,986,913.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.