Home / 483,087,863.97-666,572,694.39-284,911,371.81

Finding the Fourth Proportional to 483,087,863.97, 666,572,694.39 and 284,911,371.81

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Solution

The fourth proportional to 483,087,863.97, 666,572,694.39 and 284,911,371.81 is: 393,125,464.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,087,863.97 : 666,572,694.39 = 284,911,371.81 : x
  2. Step 2: Convert to fraction form
    483,087,863.97/666,572,694.39 = 284,911,371.81/x
  3. Step 3: Cross multiply
    483,087,863.97x = 666,572,694.39 × 284,911,371.81
  4. Step 4: Simplify right side
    483,087,863.97x = 189,914,140,769,742,784
  5. Step 5: Solve for x
    x = 189,914,140,769,742,784/483,087,863.97
  6. Step 6: Final answer
    x = 393,125,464.19

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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.