Home / 1,171,365,511.87-1,757,040,657.05-297,959,418.19

Finding the Fourth Proportional to 1,171,365,511.87, 1,757,040,657.05 and 297,959,418.19

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Solution

The fourth proportional to 1,171,365,511.87, 1,757,040,657.05 and 297,959,418.19 is: 446,937,191.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,365,511.87 : 1,757,040,657.05 = 297,959,418.19 : x
  2. Step 2: Convert to fraction form
    1,171,365,511.87/1,757,040,657.05 = 297,959,418.19/x
  3. Step 3: Cross multiply
    1,171,365,511.87x = 1,757,040,657.05 × 297,959,418.19
  4. Step 4: Simplify right side
    1,171,365,511.87x = 523,526,811,909,303,552
  5. Step 5: Solve for x
    x = 523,526,811,909,303,552/1,171,365,511.87
  6. Step 6: Final answer
    x = 446,937,191.34

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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.