Home / 5,429,014,949.20-8,143,522,423.80-1,939,360,766.80

Finding the Fourth Proportional to 5,429,014,949.20, 8,143,522,423.80 and 1,939,360,766.80

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Solution

The fourth proportional to 5,429,014,949.20, 8,143,522,423.80 and 1,939,360,766.80 is: 2,909,041,150.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429,014,949.20 : 8,143,522,423.80 = 1,939,360,766.80 : x
  2. Step 2: Convert to fraction form
    5,429,014,949.20/8,143,522,423.80 = 1,939,360,766.80/x
  3. Step 3: Cross multiply
    5,429,014,949.20x = 8,143,522,423.80 × 1,939,360,766.80
  4. Step 4: Simplify right side
    5,429,014,949.20x = 15,793,227,892,273,762,304
  5. Step 5: Solve for x
    x = 15,793,227,892,273,762,304/5,429,014,949.20
  6. Step 6: Final answer
    x = 2,909,041,150.20

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1.5x scale

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.