Home / 298,335,294,616.92-411,779,307,899.06-194,307,982,610.12

Finding the Fourth Proportional to 298,335,294,616.92, 411,779,307,899.06 and 194,307,982,610.12

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Solution

The fourth proportional to 298,335,294,616.92, 411,779,307,899.06 and 194,307,982,610.12 is: 268,194,907,012.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,335,294,616.92 : 411,779,307,899.06 = 194,307,982,610.12 : x
  2. Step 2: Convert to fraction form
    298,335,294,616.92/411,779,307,899.06 = 194,307,982,610.12/x
  3. Step 3: Cross multiply
    298,335,294,616.92x = 411,779,307,899.06 × 194,307,982,610.12
  4. Step 4: Simplify right side
    298,335,294,616.92x = 80,012,006,598,457,801,310,208
  5. Step 5: Solve for x
    x = 80,012,006,598,457,801,310,208/298,335,294,616.92
  6. Step 6: Final answer
    x = 268,194,907,012.92

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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.