Home / 469,865,087.20-704,797,630.80-400,328,984.80

Finding the Fourth Proportional to 469,865,087.20, 704,797,630.80 and 400,328,984.80

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Solution

The fourth proportional to 469,865,087.20, 704,797,630.80 and 400,328,984.80 is: 600,493,477.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,865,087.20 : 704,797,630.80 = 400,328,984.80 : x
  2. Step 2: Convert to fraction form
    469,865,087.20/704,797,630.80 = 400,328,984.80/x
  3. Step 3: Cross multiply
    469,865,087.20x = 704,797,630.80 × 400,328,984.80
  4. Step 4: Simplify right side
    469,865,087.20x = 282,150,920,027,609,216
  5. Step 5: Solve for x
    x = 282,150,920,027,609,216/469,865,087.20
  6. Step 6: Final answer
    x = 600,493,477.20

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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.