Home / 5,429,014,711.20-8,143,522,066.80-1,939,360,528.80

Finding the Fourth Proportional to 5,429,014,711.20, 8,143,522,066.80 and 1,939,360,528.80

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Solution

The fourth proportional to 5,429,014,711.20, 8,143,522,066.80 and 1,939,360,528.80 is: 2,909,040,793.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429,014,711.20 : 8,143,522,066.80 = 1,939,360,528.80 : x
  2. Step 2: Convert to fraction form
    5,429,014,711.20/8,143,522,066.80 = 1,939,360,528.80/x
  3. Step 3: Cross multiply
    5,429,014,711.20x = 8,143,522,066.80 × 1,939,360,528.80
  4. Step 4: Simplify right side
    5,429,014,711.20x = 15,793,225,261,763,717,120
  5. Step 5: Solve for x
    x = 15,793,225,261,763,717,120/5,429,014,711.20
  6. Step 6: Final answer
    x = 2,909,040,793.20

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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.