Home / 1,679,620,808.40-2,519,431,212.60-759,527,163.60

Finding the Fourth Proportional to 1,679,620,808.40, 2,519,431,212.60 and 759,527,163.60

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Solution

The fourth proportional to 1,679,620,808.40, 2,519,431,212.60 and 759,527,163.60 is: 1,139,290,745.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,620,808.40 : 2,519,431,212.60 = 759,527,163.60 : x
  2. Step 2: Convert to fraction form
    1,679,620,808.40/2,519,431,212.60 = 759,527,163.60/x
  3. Step 3: Cross multiply
    1,679,620,808.40x = 2,519,431,212.60 × 759,527,163.60
  4. Step 4: Simplify right side
    1,679,620,808.40x = 1,913,576,442,791,386,624
  5. Step 5: Solve for x
    x = 1,913,576,442,791,386,624/1,679,620,808.40
  6. Step 6: Final answer
    x = 1,139,290,745.40

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Double scale
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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.