Home / 517,417,863.39-714,033,019.09-282,468,523.86

Finding the Fourth Proportional to 517,417,863.39, 714,033,019.09 and 282,468,523.86

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Solution

The fourth proportional to 517,417,863.39, 714,033,019.09 and 282,468,523.86 is: 389,804,579.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,417,863.39 : 714,033,019.09 = 282,468,523.86 : x
  2. Step 2: Convert to fraction form
    517,417,863.39/714,033,019.09 = 282,468,523.86/x
  3. Step 3: Cross multiply
    517,417,863.39x = 714,033,019.09 × 282,468,523.86
  4. Step 4: Simplify right side
    517,417,863.39x = 201,691,852,890,004,576
  5. Step 5: Solve for x
    x = 201,691,852,890,004,576/517,417,863.39
  6. Step 6: Final answer
    x = 389,804,579.94

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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.