Home / 517,196,845.25-713,731,458.74-282,247,505.72

Finding the Fourth Proportional to 517,196,845.25, 713,731,458.74 and 282,247,505.72

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Solution

The fourth proportional to 517,196,845.25, 713,731,458.74 and 282,247,505.72 is: 389,501,455.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,196,845.25 : 713,731,458.74 = 282,247,505.72 : x
  2. Step 2: Convert to fraction form
    517,196,845.25/713,731,458.74 = 282,247,505.72/x
  3. Step 3: Cross multiply
    517,196,845.25x = 713,731,458.74 × 282,247,505.72
  4. Step 4: Simplify right side
    517,196,845.25x = 201,448,923,978,282,176
  5. Step 5: Solve for x
    x = 201,448,923,978,282,176/517,196,845.25
  6. Step 6: Final answer
    x = 389,501,455.45

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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.