Home / 293,415,320.20-440,122,980.30-207,321,878.20

Finding the Fourth Proportional to 293,415,320.20, 440,122,980.30 and 207,321,878.20

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Solution

The fourth proportional to 293,415,320.20, 440,122,980.30 and 207,321,878.20 is: 310,982,817.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,415,320.20 : 440,122,980.30 = 207,321,878.20 : x
  2. Step 2: Convert to fraction form
    293,415,320.20/440,122,980.30 = 207,321,878.20/x
  3. Step 3: Cross multiply
    293,415,320.20x = 440,122,980.30 × 207,321,878.20
  4. Step 4: Simplify right side
    293,415,320.20x = 91,247,122,914,777,600
  5. Step 5: Solve for x
    x = 91,247,122,914,777,600/293,415,320.20
  6. Step 6: Final answer
    x = 310,982,817.30

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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.