Home / 776,897,039.88-1,165,442,532.21-304,135,019.46

Finding the Fourth Proportional to 776,897,039.88, 1,165,442,532.21 and 304,135,019.46

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Solution

The fourth proportional to 776,897,039.88, 1,165,442,532.21 and 304,135,019.46 is: 456,240,491.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,897,039.88 : 1,165,442,532.21 = 304,135,019.46 : x
  2. Step 2: Convert to fraction form
    776,897,039.88/1,165,442,532.21 = 304,135,019.46/x
  3. Step 3: Cross multiply
    776,897,039.88x = 1,165,442,532.21 × 304,135,019.46
  4. Step 4: Simplify right side
    776,897,039.88x = 354,451,887,213,200,000
  5. Step 5: Solve for x
    x = 354,451,887,213,200,000/776,897,039.88
  6. Step 6: Final answer
    x = 456,240,491.36

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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.