Home / 298,670,544.12-412,034,596.28-284,823,288.27

Finding the Fourth Proportional to 298,670,544.12, 412,034,596.28 and 284,823,288.27

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Solution

The fourth proportional to 298,670,544.12, 412,034,596.28 and 284,823,288.27 is: 392,931,445.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,670,544.12 : 412,034,596.28 = 284,823,288.27 : x
  2. Step 2: Convert to fraction form
    298,670,544.12/412,034,596.28 = 284,823,288.27/x
  3. Step 3: Cross multiply
    298,670,544.12x = 412,034,596.28 × 284,823,288.27
  4. Step 4: Simplify right side
    298,670,544.12x = 117,357,048,592,047,376
  5. Step 5: Solve for x
    x = 117,357,048,592,047,376/298,670,544.12
  6. Step 6: Final answer
    x = 392,931,445.38

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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.