Home / 1,105,251,642.37-1,652,841,892.86-825,329,128.87

Finding the Fourth Proportional to 1,105,251,642.37, 1,652,841,892.86 and 825,329,128.87

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Solution

The fourth proportional to 1,105,251,642.37, 1,652,841,892.86 and 825,329,128.87 is: 1,234,233,460.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,251,642.37 : 1,652,841,892.86 = 825,329,128.87 : x
  2. Step 2: Convert to fraction form
    1,105,251,642.37/1,652,841,892.86 = 825,329,128.87/x
  3. Step 3: Cross multiply
    1,105,251,642.37x = 1,652,841,892.86 × 825,329,128.87
  4. Step 4: Simplify right side
    1,105,251,642.37x = 1,364,138,559,593,985,536
  5. Step 5: Solve for x
    x = 1,364,138,559,593,985,536/1,105,251,642.37
  6. Step 6: Final answer
    x = 1,234,233,460.78

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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.