Home / 293,415,008.20-440,122,512.30-207,321,566.20

Finding the Fourth Proportional to 293,415,008.20, 440,122,512.30 and 207,321,566.20

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Solution

The fourth proportional to 293,415,008.20, 440,122,512.30 and 207,321,566.20 is: 310,982,349.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,415,008.20 : 440,122,512.30 = 207,321,566.20 : x
  2. Step 2: Convert to fraction form
    293,415,008.20/440,122,512.30 = 207,321,566.20/x
  3. Step 3: Cross multiply
    293,415,008.20x = 440,122,512.30 × 207,321,566.20
  4. Step 4: Simplify right side
    293,415,008.20x = 91,246,888,569,914,768
  5. Step 5: Solve for x
    x = 91,246,888,569,914,768/293,415,008.20
  6. Step 6: Final answer
    x = 310,982,349.30

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1.5x scale

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.