Home / 664,243,515.09-995,979,796.94-314,486,646.86

Finding the Fourth Proportional to 664,243,515.09, 995,979,796.94 and 314,486,646.86

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Solution

The fourth proportional to 664,243,515.09, 995,979,796.94 and 314,486,646.86 is: 471,547,466.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,243,515.09 : 995,979,796.94 = 314,486,646.86 : x
  2. Step 2: Convert to fraction form
    664,243,515.09/995,979,796.94 = 314,486,646.86/x
  3. Step 3: Cross multiply
    664,243,515.09x = 995,979,796.94 × 314,486,646.86
  4. Step 4: Simplify right side
    664,243,515.09x = 313,222,346,683,240,448
  5. Step 5: Solve for x
    x = 313,222,346,683,240,448/664,243,515.09
  6. Step 6: Final answer
    x = 471,547,466.51

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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.