Home / 472,771,564.90-708,593,146.71-220,039,634.41

Finding the Fourth Proportional to 472,771,564.90, 708,593,146.71 and 220,039,634.41

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Solution

The fourth proportional to 472,771,564.90, 708,593,146.71 and 220,039,634.41 is: 329,796,858.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,771,564.90 : 708,593,146.71 = 220,039,634.41 : x
  2. Step 2: Convert to fraction form
    472,771,564.90/708,593,146.71 = 220,039,634.41/x
  3. Step 3: Cross multiply
    472,771,564.90x = 708,593,146.71 × 220,039,634.41
  4. Step 4: Simplify right side
    472,771,564.90x = 155,918,576,944,903,264
  5. Step 5: Solve for x
    x = 155,918,576,944,903,264/472,771,564.90
  6. Step 6: Final answer
    x = 329,796,858.61

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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.