Home / 819,538,018.56-1,229,309,127.36-334,863,826.56

Finding the Fourth Proportional to 819,538,018.56, 1,229,309,127.36 and 334,863,826.56

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Solution

The fourth proportional to 819,538,018.56, 1,229,309,127.36 and 334,863,826.56 is: 502,296,597.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,538,018.56 : 1,229,309,127.36 = 334,863,826.56 : x
  2. Step 2: Convert to fraction form
    819,538,018.56/1,229,309,127.36 = 334,863,826.56/x
  3. Step 3: Cross multiply
    819,538,018.56x = 1,229,309,127.36 × 334,863,826.56
  4. Step 4: Simplify right side
    819,538,018.56x = 411,651,158,412,903,936
  5. Step 5: Solve for x
    x = 411,651,158,412,903,936/819,538,018.56
  6. Step 6: Final answer
    x = 502,296,597.71

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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.