Home / 5,429,014,739.20-8,143,522,108.80-1,939,360,556.80

Finding the Fourth Proportional to 5,429,014,739.20, 8,143,522,108.80 and 1,939,360,556.80

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Solution

The fourth proportional to 5,429,014,739.20, 8,143,522,108.80 and 1,939,360,556.80 is: 2,909,040,835.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429,014,739.20 : 8,143,522,108.80 = 1,939,360,556.80 : x
  2. Step 2: Convert to fraction form
    5,429,014,739.20/8,143,522,108.80 = 1,939,360,556.80/x
  3. Step 3: Cross multiply
    5,429,014,739.20x = 8,143,522,108.80 × 1,939,360,556.80
  4. Step 4: Simplify right side
    5,429,014,739.20x = 15,793,225,571,235,477,504
  5. Step 5: Solve for x
    x = 15,793,225,571,235,477,504/5,429,014,739.20
  6. Step 6: Final answer
    x = 2,909,040,835.20

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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.