Home / 846,842,553.33-1,270,122,938.56-256,492,434.78

Finding the Fourth Proportional to 846,842,553.33, 1,270,122,938.56 and 256,492,434.78

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Solution

The fourth proportional to 846,842,553.33, 1,270,122,938.56 and 256,492,434.78 is: 384,695,978.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,842,553.33 : 1,270,122,938.56 = 256,492,434.78 : x
  2. Step 2: Convert to fraction form
    846,842,553.33/1,270,122,938.56 = 256,492,434.78/x
  3. Step 3: Cross multiply
    846,842,553.33x = 1,270,122,938.56 × 256,492,434.78
  4. Step 4: Simplify right side
    846,842,553.33x = 325,776,924,981,182,720
  5. Step 5: Solve for x
    x = 325,776,924,981,182,720/846,842,553.33
  6. Step 6: Final answer
    x = 384,695,978.85

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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.