Home / 664,243,501.70-995,979,776.87-314,486,633.39

Finding the Fourth Proportional to 664,243,501.70, 995,979,776.87 and 314,486,633.39

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Solution

The fourth proportional to 664,243,501.70, 995,979,776.87 and 314,486,633.39 is: 471,547,446.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,243,501.70 : 995,979,776.87 = 314,486,633.39 : x
  2. Step 2: Convert to fraction form
    664,243,501.70/995,979,776.87 = 314,486,633.39/x
  3. Step 3: Cross multiply
    664,243,501.70x = 995,979,776.87 × 314,486,633.39
  4. Step 4: Simplify right side
    664,243,501.70x = 313,222,326,952,369,664
  5. Step 5: Solve for x
    x = 313,222,326,952,369,664/664,243,501.70
  6. Step 6: Final answer
    x = 471,547,446.31

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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.