Home / 472,392,790.20-708,589,185.30-230,528,086.20

Finding the Fourth Proportional to 472,392,790.20, 708,589,185.30 and 230,528,086.20

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Solution

The fourth proportional to 472,392,790.20, 708,589,185.30 and 230,528,086.20 is: 345,792,129.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,790.20 : 708,589,185.30 = 230,528,086.20 : x
  2. Step 2: Convert to fraction form
    472,392,790.20/708,589,185.30 = 230,528,086.20/x
  3. Step 3: Cross multiply
    472,392,790.20x = 708,589,185.30 × 230,528,086.20
  4. Step 4: Simplify right side
    472,392,790.20x = 163,349,708,789,226,144
  5. Step 5: Solve for x
    x = 163,349,708,789,226,144/472,392,790.20
  6. Step 6: Final answer
    x = 345,792,129.30

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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.