Home / 501,086,955.28-750,741,154.97-209,311,969.77

Finding the Fourth Proportional to 501,086,955.28, 750,741,154.97 and 209,311,969.77

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Solution

The fourth proportional to 501,086,955.28, 750,741,154.97 and 209,311,969.77 is: 313,596,489.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,086,955.28 : 750,741,154.97 = 209,311,969.77 : x
  2. Step 2: Convert to fraction form
    501,086,955.28/750,741,154.97 = 209,311,969.77/x
  3. Step 3: Cross multiply
    501,086,955.28x = 750,741,154.97 × 209,311,969.77
  4. Step 4: Simplify right side
    501,086,955.28x = 157,139,109,930,945,088
  5. Step 5: Solve for x
    x = 157,139,109,930,945,088/501,086,955.28
  6. Step 6: Final answer
    x = 313,596,489.14

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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.