Home / 472,771,579.72-708,593,168.92-220,039,649.24

Finding the Fourth Proportional to 472,771,579.72, 708,593,168.92 and 220,039,649.24

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Solution

The fourth proportional to 472,771,579.72, 708,593,168.92 and 220,039,649.24 is: 329,796,880.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,771,579.72 : 708,593,168.92 = 220,039,649.24 : x
  2. Step 2: Convert to fraction form
    472,771,579.72/708,593,168.92 = 220,039,649.24/x
  3. Step 3: Cross multiply
    472,771,579.72x = 708,593,168.92 × 220,039,649.24
  4. Step 4: Simplify right side
    472,771,579.72x = 155,918,592,343,016,864
  5. Step 5: Solve for x
    x = 155,918,592,343,016,864/472,771,579.72
  6. Step 6: Final answer
    x = 329,796,880.84

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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.