Home / 509,398,273.60-702,965,391.82-286,380,949.34

Finding the Fourth Proportional to 509,398,273.60, 702,965,391.82 and 286,380,949.34

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Solution

The fourth proportional to 509,398,273.60, 702,965,391.82 and 286,380,949.34 is: 395,203,334.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,398,273.60 : 702,965,391.82 = 286,380,949.34 : x
  2. Step 2: Convert to fraction form
    509,398,273.60/702,965,391.82 = 286,380,949.34/x
  3. Step 3: Cross multiply
    509,398,273.60x = 702,965,391.82 × 286,380,949.34
  4. Step 4: Simplify right side
    509,398,273.60x = 201,315,896,263,618,112
  5. Step 5: Solve for x
    x = 201,315,896,263,618,112/509,398,273.60
  6. Step 6: Final answer
    x = 395,203,334.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.