Home / 483,986,431.20-725,979,646.80-160,920,165.60

Finding the Fourth Proportional to 483,986,431.20, 725,979,646.80 and 160,920,165.60

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Solution

The fourth proportional to 483,986,431.20, 725,979,646.80 and 160,920,165.60 is: 241,380,248.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,986,431.20 : 725,979,646.80 = 160,920,165.60 : x
  2. Step 2: Convert to fraction form
    483,986,431.20/725,979,646.80 = 160,920,165.60/x
  3. Step 3: Cross multiply
    483,986,431.20x = 725,979,646.80 × 160,920,165.60
  4. Step 4: Simplify right side
    483,986,431.20x = 116,824,764,985,285,504
  5. Step 5: Solve for x
    x = 116,824,764,985,285,504/483,986,431.20
  6. Step 6: Final answer
    x = 241,380,248.40

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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.