Home / 929,747,222.38-1,283,109,195.09-512,059,396.96

Finding the Fourth Proportional to 929,747,222.38, 1,283,109,195.09 and 512,059,396.96

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Solution

The fourth proportional to 929,747,222.38, 1,283,109,195.09 and 512,059,396.96 is: 706,673,926.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,747,222.38 : 1,283,109,195.09 = 512,059,396.96 : x
  2. Step 2: Convert to fraction form
    929,747,222.38/1,283,109,195.09 = 512,059,396.96/x
  3. Step 3: Cross multiply
    929,747,222.38x = 1,283,109,195.09 × 512,059,396.96
  4. Step 4: Simplify right side
    929,747,222.38x = 657,028,120,671,616,384
  5. Step 5: Solve for x
    x = 657,028,120,671,616,384/929,747,222.38
  6. Step 6: Final answer
    x = 706,673,926.91

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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.