Home / 503,213,008.68-694,432,530.18-283,196,434.92

Finding the Fourth Proportional to 503,213,008.68, 694,432,530.18 and 283,196,434.92

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Solution

The fourth proportional to 503,213,008.68, 694,432,530.18 and 283,196,434.92 is: 390,810,280.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,213,008.68 : 694,432,530.18 = 283,196,434.92 : x
  2. Step 2: Convert to fraction form
    503,213,008.68/694,432,530.18 = 283,196,434.92/x
  3. Step 3: Cross multiply
    503,213,008.68x = 694,432,530.18 × 283,196,434.92
  4. Step 4: Simplify right side
    503,213,008.68x = 196,660,816,839,451,296
  5. Step 5: Solve for x
    x = 196,660,816,839,451,296/503,213,008.68
  6. Step 6: Final answer
    x = 390,810,280.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.