Home / 472,771,581.21-708,593,171.16-220,039,650.72

Finding the Fourth Proportional to 472,771,581.21, 708,593,171.16 and 220,039,650.72

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Solution

The fourth proportional to 472,771,581.21, 708,593,171.16 and 220,039,650.72 is: 329,796,883.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,771,581.21 : 708,593,171.16 = 220,039,650.72 : x
  2. Step 2: Convert to fraction form
    472,771,581.21/708,593,171.16 = 220,039,650.72/x
  3. Step 3: Cross multiply
    472,771,581.21x = 708,593,171.16 × 220,039,650.72
  4. Step 4: Simplify right side
    472,771,581.21x = 155,918,593,884,623,584
  5. Step 5: Solve for x
    x = 155,918,593,884,623,584/472,771,581.21
  6. Step 6: Final answer
    x = 329,796,883.06

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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.