Home / 5,429,014,723.70-8,143,522,085.55-1,939,360,541.30

Finding the Fourth Proportional to 5,429,014,723.70, 8,143,522,085.55 and 1,939,360,541.30

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Solution

The fourth proportional to 5,429,014,723.70, 8,143,522,085.55 and 1,939,360,541.30 is: 2,909,040,811.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429,014,723.70 : 8,143,522,085.55 = 1,939,360,541.30 : x
  2. Step 2: Convert to fraction form
    5,429,014,723.70/8,143,522,085.55 = 1,939,360,541.30/x
  3. Step 3: Cross multiply
    5,429,014,723.70x = 8,143,522,085.55 × 1,939,360,541.30
  4. Step 4: Simplify right side
    5,429,014,723.70x = 15,793,225,399,920,752,640
  5. Step 5: Solve for x
    x = 15,793,225,399,920,752,640/5,429,014,723.70
  6. Step 6: Final answer
    x = 2,909,040,811.95

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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.