Home / 306,513,305.40-459,769,958.10-273,256,908.60

Finding the Fourth Proportional to 306,513,305.40, 459,769,958.10 and 273,256,908.60

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Solution

The fourth proportional to 306,513,305.40, 459,769,958.10 and 273,256,908.60 is: 409,885,362.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,513,305.40 : 459,769,958.10 = 273,256,908.60 : x
  2. Step 2: Convert to fraction form
    306,513,305.40/459,769,958.10 = 273,256,908.60/x
  3. Step 3: Cross multiply
    306,513,305.40x = 459,769,958.10 × 273,256,908.60
  4. Step 4: Simplify right side
    306,513,305.40x = 125,635,317,417,557,552
  5. Step 5: Solve for x
    x = 125,635,317,417,557,552/306,513,305.40
  6. Step 6: Final answer
    x = 409,885,362.90

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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.