Home / 4,259,360,416.78-6,389,170,784.68-1,461,289,711.28

Finding the Fourth Proportional to 4,259,360,416.78, 6,389,170,784.68 and 1,461,289,711.28

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Solution

The fourth proportional to 4,259,360,416.78, 6,389,170,784.68 and 1,461,289,711.28 is: 2,191,979,221.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,259,360,416.78 : 6,389,170,784.68 = 1,461,289,711.28 : x
  2. Step 2: Convert to fraction form
    4,259,360,416.78/6,389,170,784.68 = 1,461,289,711.28/x
  3. Step 3: Cross multiply
    4,259,360,416.78x = 6,389,170,784.68 × 1,461,289,711.28
  4. Step 4: Simplify right side
    4,259,360,416.78x = 9,336,429,531,263,647,744
  5. Step 5: Solve for x
    x = 9,336,429,531,263,647,744/4,259,360,416.78
  6. Step 6: Final answer
    x = 2,191,979,221.69

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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.