Home / 929,849,227.11-1,283,191,818.27-512,161,512.47

Finding the Fourth Proportional to 929,849,227.11, 1,283,191,818.27 and 512,161,512.47

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Solution

The fourth proportional to 929,849,227.11, 1,283,191,818.27 and 512,161,512.47 is: 706,782,823.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,849,227.11 : 1,283,191,818.27 = 512,161,512.47 : x
  2. Step 2: Convert to fraction form
    929,849,227.11/1,283,191,818.27 = 512,161,512.47/x
  3. Step 3: Cross multiply
    929,849,227.11x = 1,283,191,818.27 × 512,161,512.47
  4. Step 4: Simplify right side
    929,849,227.11x = 657,201,462,427,876,608
  5. Step 5: Solve for x
    x = 657,201,462,427,876,608/929,849,227.11
  6. Step 6: Final answer
    x = 706,782,823.78

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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.