Home / 618,366,917.10-927,550,375.65-521,511,794.85

Finding the Fourth Proportional to 618,366,917.10, 927,550,375.65 and 521,511,794.85

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Solution

The fourth proportional to 618,366,917.10, 927,550,375.65 and 521,511,794.85 is: 782,267,692.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,366,917.10 : 927,550,375.65 = 521,511,794.85 : x
  2. Step 2: Convert to fraction form
    618,366,917.10/927,550,375.65 = 521,511,794.85/x
  3. Step 3: Cross multiply
    618,366,917.10x = 927,550,375.65 × 521,511,794.85
  4. Step 4: Simplify right side
    618,366,917.10x = 483,728,461,219,023,232
  5. Step 5: Solve for x
    x = 483,728,461,219,023,232/618,366,917.10
  6. Step 6: Final answer
    x = 782,267,692.28

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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.