Home / 298,786,547.75-412,184,712.49-194,326,504.79

Finding the Fourth Proportional to 298,786,547.75, 412,184,712.49 and 194,326,504.79

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Solution

The fourth proportional to 298,786,547.75, 412,184,712.49 and 194,326,504.79 is: 268,079,052.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,786,547.75 : 412,184,712.49 = 194,326,504.79 : x
  2. Step 2: Convert to fraction form
    298,786,547.75/412,184,712.49 = 194,326,504.79/x
  3. Step 3: Cross multiply
    298,786,547.75x = 412,184,712.49 × 194,326,504.79
  4. Step 4: Simplify right side
    298,786,547.75x = 80,098,414,503,506,016
  5. Step 5: Solve for x
    x = 80,098,414,503,506,016/298,786,547.75
  6. Step 6: Final answer
    x = 268,079,052.11

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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.