Home / 472,393,313.70-708,589,970.55-440,108,272.95

Finding the Fourth Proportional to 472,393,313.70, 708,589,970.55 and 440,108,272.95

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Solution

The fourth proportional to 472,393,313.70, 708,589,970.55 and 440,108,272.95 is: 660,162,409.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,313.70 : 708,589,970.55 = 440,108,272.95 : x
  2. Step 2: Convert to fraction form
    472,393,313.70/708,589,970.55 = 440,108,272.95/x
  3. Step 3: Cross multiply
    472,393,313.70x = 708,589,970.55 × 440,108,272.95
  4. Step 4: Simplify right side
    472,393,313.70x = 311,856,308,168,451,840
  5. Step 5: Solve for x
    x = 311,856,308,168,451,840/472,393,313.70
  6. Step 6: Final answer
    x = 660,162,409.43

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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.