Home / 486,366,134.81-729,439,798.42-223,798,824.07

Finding the Fourth Proportional to 486,366,134.81, 729,439,798.42 and 223,798,824.07

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Solution

The fourth proportional to 486,366,134.81, 729,439,798.42 and 223,798,824.07 is: 335,647,894.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,366,134.81 : 729,439,798.42 = 223,798,824.07 : x
  2. Step 2: Convert to fraction form
    486,366,134.81/729,439,798.42 = 223,798,824.07/x
  3. Step 3: Cross multiply
    486,366,134.81x = 729,439,798.42 × 223,798,824.07
  4. Step 4: Simplify right side
    486,366,134.81x = 163,247,769,115,134,848
  5. Step 5: Solve for x
    x = 163,247,769,115,134,848/486,366,134.81
  6. Step 6: Final answer
    x = 335,647,894.52

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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.