Home / 525,187,821.04-787,077,502.96-408,743,776.24

Finding the Fourth Proportional to 525,187,821.04, 787,077,502.96 and 408,743,776.24

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Solution

The fourth proportional to 525,187,821.04, 787,077,502.96 and 408,743,776.24 is: 612,567,576.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,187,821.04 : 787,077,502.96 = 408,743,776.24 : x
  2. Step 2: Convert to fraction form
    525,187,821.04/787,077,502.96 = 408,743,776.24/x
  3. Step 3: Cross multiply
    525,187,821.04x = 787,077,502.96 × 408,743,776.24
  4. Step 4: Simplify right side
    525,187,821.04x = 321,713,030,753,420,224
  5. Step 5: Solve for x
    x = 321,713,030,753,420,224/525,187,821.04
  6. Step 6: Final answer
    x = 612,567,576.52

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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.