Home / 298,670,545.56-412,034,598.27-284,823,289.74

Finding the Fourth Proportional to 298,670,545.56, 412,034,598.27 and 284,823,289.74

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Solution

The fourth proportional to 298,670,545.56, 412,034,598.27 and 284,823,289.74 is: 392,931,447.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,670,545.56 : 412,034,598.27 = 284,823,289.74 : x
  2. Step 2: Convert to fraction form
    298,670,545.56/412,034,598.27 = 284,823,289.74/x
  3. Step 3: Cross multiply
    298,670,545.56x = 412,034,598.27 × 284,823,289.74
  4. Step 4: Simplify right side
    298,670,545.56x = 117,357,049,763,227,920
  5. Step 5: Solve for x
    x = 117,357,049,763,227,920/298,670,545.56
  6. Step 6: Final answer
    x = 392,931,447.40

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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.