Home / 293,019,012.80-439,528,519.20-225,203,998.40

Finding the Fourth Proportional to 293,019,012.80, 439,528,519.20 and 225,203,998.40

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Solution

The fourth proportional to 293,019,012.80, 439,528,519.20 and 225,203,998.40 is: 337,805,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,019,012.80 : 439,528,519.20 = 225,203,998.40 : x
  2. Step 2: Convert to fraction form
    293,019,012.80/439,528,519.20 = 225,203,998.40/x
  3. Step 3: Cross multiply
    293,019,012.80x = 439,528,519.20 × 225,203,998.40
  4. Step 4: Simplify right side
    293,019,012.80x = 98,983,579,934,671,168
  5. Step 5: Solve for x
    x = 98,983,579,934,671,168/293,019,012.80
  6. Step 6: Final answer
    x = 337,805,997.60

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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.