Home / 664,243,500.07-995,979,774.43-314,486,631.77

Finding the Fourth Proportional to 664,243,500.07, 995,979,774.43 and 314,486,631.77

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Solution

The fourth proportional to 664,243,500.07, 995,979,774.43 and 314,486,631.77 is: 471,547,443.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,243,500.07 : 995,979,774.43 = 314,486,631.77 : x
  2. Step 2: Convert to fraction form
    664,243,500.07/995,979,774.43 = 314,486,631.77/x
  3. Step 3: Cross multiply
    664,243,500.07x = 995,979,774.43 × 314,486,631.77
  4. Step 4: Simplify right side
    664,243,500.07x = 313,222,324,571,535,040
  5. Step 5: Solve for x
    x = 313,222,324,571,535,040/664,243,500.07
  6. Step 6: Final answer
    x = 471,547,443.88

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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.