Home / 515,433,260.52-711,298,015.65-283,646,252.52

Finding the Fourth Proportional to 515,433,260.52, 711,298,015.65 and 283,646,252.52

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Solution

The fourth proportional to 515,433,260.52, 711,298,015.65 and 283,646,252.52 is: 391,431,892.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,433,260.52 : 711,298,015.65 = 283,646,252.52 : x
  2. Step 2: Convert to fraction form
    515,433,260.52/711,298,015.65 = 283,646,252.52/x
  3. Step 3: Cross multiply
    515,433,260.52x = 711,298,015.65 × 283,646,252.52
  4. Step 4: Simplify right side
    515,433,260.52x = 201,757,016,564,034,784
  5. Step 5: Solve for x
    x = 201,757,016,564,034,784/515,433,260.52
  6. Step 6: Final answer
    x = 391,431,892.39

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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.