Home / 298,368,001.80-447,552,002.70-217,746,433.80

Finding the Fourth Proportional to 298,368,001.80, 447,552,002.70 and 217,746,433.80

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Solution

The fourth proportional to 298,368,001.80, 447,552,002.70 and 217,746,433.80 is: 326,619,650.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,368,001.80 : 447,552,002.70 = 217,746,433.80 : x
  2. Step 2: Convert to fraction form
    298,368,001.80/447,552,002.70 = 217,746,433.80/x
  3. Step 3: Cross multiply
    298,368,001.80x = 447,552,002.70 × 217,746,433.80
  4. Step 4: Simplify right side
    298,368,001.80x = 97,452,852,527,972,976
  5. Step 5: Solve for x
    x = 97,452,852,527,972,976/298,368,001.80
  6. Step 6: Final answer
    x = 326,619,650.70

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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.