Home / 531,467,781.60-797,201,672.40-395,418,885.60

Finding the Fourth Proportional to 531,467,781.60, 797,201,672.40 and 395,418,885.60

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Solution

The fourth proportional to 531,467,781.60, 797,201,672.40 and 395,418,885.60 is: 593,128,328.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,467,781.60 : 797,201,672.40 = 395,418,885.60 : x
  2. Step 2: Convert to fraction form
    531,467,781.60/797,201,672.40 = 395,418,885.60/x
  3. Step 3: Cross multiply
    531,467,781.60x = 797,201,672.40 × 395,418,885.60
  4. Step 4: Simplify right side
    531,467,781.60x = 315,228,596,898,864,256
  5. Step 5: Solve for x
    x = 315,228,596,898,864,256/531,467,781.60
  6. Step 6: Final answer
    x = 593,128,328.40

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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.