Home / 1,070,483,163.17-1,605,802,135.85-448,072,417.85

Finding the Fourth Proportional to 1,070,483,163.17, 1,605,802,135.85 and 448,072,417.85

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Solution

The fourth proportional to 1,070,483,163.17, 1,605,802,135.85 and 448,072,417.85 is: 672,141,020.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,483,163.17 : 1,605,802,135.85 = 448,072,417.85 : x
  2. Step 2: Convert to fraction form
    1,070,483,163.17/1,605,802,135.85 = 448,072,417.85/x
  3. Step 3: Cross multiply
    1,070,483,163.17x = 1,605,802,135.85 × 448,072,417.85
  4. Step 4: Simplify right side
    1,070,483,163.17x = 719,515,645,591,691,648
  5. Step 5: Solve for x
    x = 719,515,645,591,691,648/1,070,483,163.17
  6. Step 6: Final answer
    x = 672,141,020.38

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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.