Home / 413,713,947.20-620,570,920.80-183,438,593.60

Finding the Fourth Proportional to 413,713,947.20, 620,570,920.80 and 183,438,593.60

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Solution

The fourth proportional to 413,713,947.20, 620,570,920.80 and 183,438,593.60 is: 275,157,890.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,713,947.20 : 620,570,920.80 = 183,438,593.60 : x
  2. Step 2: Convert to fraction form
    413,713,947.20/620,570,920.80 = 183,438,593.60/x
  3. Step 3: Cross multiply
    413,713,947.20x = 620,570,920.80 × 183,438,593.60
  4. Step 4: Simplify right side
    413,713,947.20x = 113,836,656,940,608,976
  5. Step 5: Solve for x
    x = 113,836,656,940,608,976/413,713,947.20
  6. Step 6: Final answer
    x = 275,157,890.40

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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.