Home / 298,335,294,613.92-411,779,307,894.93-194,307,982,607.11

Finding the Fourth Proportional to 298,335,294,613.92, 411,779,307,894.93 and 194,307,982,607.11

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Solution

The fourth proportional to 298,335,294,613.92, 411,779,307,894.93 and 194,307,982,607.11 is: 268,194,907,008.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,335,294,613.92 : 411,779,307,894.93 = 194,307,982,607.11 : x
  2. Step 2: Convert to fraction form
    298,335,294,613.92/411,779,307,894.93 = 194,307,982,607.11/x
  3. Step 3: Cross multiply
    298,335,294,613.92x = 411,779,307,894.93 × 194,307,982,607.11
  4. Step 4: Simplify right side
    298,335,294,613.92x = 80,012,006,596,415,846,350,848
  5. Step 5: Solve for x
    x = 80,012,006,596,415,846,350,848/298,335,294,613.92
  6. Step 6: Final answer
    x = 268,194,907,008.78

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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.