Home / 5,429,014,737.70-8,143,522,106.55-1,939,360,555.30

Finding the Fourth Proportional to 5,429,014,737.70, 8,143,522,106.55 and 1,939,360,555.30

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Solution

The fourth proportional to 5,429,014,737.70, 8,143,522,106.55 and 1,939,360,555.30 is: 2,909,040,832.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429,014,737.70 : 8,143,522,106.55 = 1,939,360,555.30 : x
  2. Step 2: Convert to fraction form
    5,429,014,737.70/8,143,522,106.55 = 1,939,360,555.30/x
  3. Step 3: Cross multiply
    5,429,014,737.70x = 8,143,522,106.55 × 1,939,360,555.30
  4. Step 4: Simplify right side
    5,429,014,737.70x = 15,793,225,554,656,632,832
  5. Step 5: Solve for x
    x = 15,793,225,554,656,632,832/5,429,014,737.70
  6. Step 6: Final answer
    x = 2,909,040,832.95

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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.