Home / 769,686,878.61-1,062,126,984.24-435,139,399.08

Finding the Fourth Proportional to 769,686,878.61, 1,062,126,984.24 and 435,139,399.08

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Solution

The fourth proportional to 769,686,878.61, 1,062,126,984.24 and 435,139,399.08 is: 600,469,243.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,686,878.61 : 1,062,126,984.24 = 435,139,399.08 : x
  2. Step 2: Convert to fraction form
    769,686,878.61/1,062,126,984.24 = 435,139,399.08/x
  3. Step 3: Cross multiply
    769,686,878.61x = 1,062,126,984.24 × 435,139,399.08
  4. Step 4: Simplify right side
    769,686,878.61x = 462,173,297,668,846,208
  5. Step 5: Solve for x
    x = 462,173,297,668,846,208/769,686,878.61
  6. Step 6: Final answer
    x = 600,469,243.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.