Home / 298,335,294,462.72-411,779,307,686.39-194,307,982,456.02

Finding the Fourth Proportional to 298,335,294,462.72, 411,779,307,686.39 and 194,307,982,456.02

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Solution

The fourth proportional to 298,335,294,462.72, 411,779,307,686.39 and 194,307,982,456.02 is: 268,194,906,800.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,335,294,462.72 : 411,779,307,686.39 = 194,307,982,456.02 : x
  2. Step 2: Convert to fraction form
    298,335,294,462.72/411,779,307,686.39 = 194,307,982,456.02/x
  3. Step 3: Cross multiply
    298,335,294,462.72x = 411,779,307,686.39 × 194,307,982,456.02
  4. Step 4: Simplify right side
    298,335,294,462.72x = 80,012,006,493,679,121,334,272
  5. Step 5: Solve for x
    x = 80,012,006,493,679,121,334,272/298,335,294,462.72
  6. Step 6: Final answer
    x = 268,194,906,800.33

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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.