Home / 920,201,216.70-1,380,301,825.05-531,824,133.90

Finding the Fourth Proportional to 920,201,216.70, 1,380,301,825.05 and 531,824,133.90

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Solution

The fourth proportional to 920,201,216.70, 1,380,301,825.05 and 531,824,133.90 is: 797,736,200.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,201,216.70 : 1,380,301,825.05 = 531,824,133.90 : x
  2. Step 2: Convert to fraction form
    920,201,216.70/1,380,301,825.05 = 531,824,133.90/x
  3. Step 3: Cross multiply
    920,201,216.70x = 1,380,301,825.05 × 531,824,133.90
  4. Step 4: Simplify right side
    920,201,216.70x = 734,077,822,627,805,568
  5. Step 5: Solve for x
    x = 734,077,822,627,805,568/920,201,216.70
  6. Step 6: Final answer
    x = 797,736,200.85

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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.