Home / 322,217,999.30-483,326,998.95-199,773,992.90

Finding the Fourth Proportional to 322,217,999.30, 483,326,998.95 and 199,773,992.90

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Solution

The fourth proportional to 322,217,999.30, 483,326,998.95 and 199,773,992.90 is: 299,660,989.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,217,999.30 : 483,326,998.95 = 199,773,992.90 : x
  2. Step 2: Convert to fraction form
    322,217,999.30/483,326,998.95 = 199,773,992.90/x
  3. Step 3: Cross multiply
    322,217,999.30x = 483,326,998.95 × 199,773,992.90
  4. Step 4: Simplify right side
    322,217,999.30x = 96,556,164,456,615,600
  5. Step 5: Solve for x
    x = 96,556,164,456,615,600/322,217,999.30
  6. Step 6: Final answer
    x = 299,660,989.35

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1.5x scale

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.