Home / 293,422,672.80-440,134,009.20-220,243,247.10

Finding the Fourth Proportional to 293,422,672.80, 440,134,009.20 and 220,243,247.10

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Solution

The fourth proportional to 293,422,672.80, 440,134,009.20 and 220,243,247.10 is: 330,364,870.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,422,672.80 : 440,134,009.20 = 220,243,247.10 : x
  2. Step 2: Convert to fraction form
    293,422,672.80/440,134,009.20 = 220,243,247.10/x
  3. Step 3: Cross multiply
    293,422,672.80x = 440,134,009.20 × 220,243,247.10
  4. Step 4: Simplify right side
    293,422,672.80x = 96,936,543,345,349,264
  5. Step 5: Solve for x
    x = 96,936,543,345,349,264/293,422,672.80
  6. Step 6: Final answer
    x = 330,364,870.65

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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.