Home / 252,774,004.80-379,161,007.20-206,857,502.40

Finding the Fourth Proportional to 252,774,004.80, 379,161,007.20 and 206,857,502.40

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Solution

The fourth proportional to 252,774,004.80, 379,161,007.20 and 206,857,502.40 is: 310,286,253.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,774,004.80 : 379,161,007.20 = 206,857,502.40 : x
  2. Step 2: Convert to fraction form
    252,774,004.80/379,161,007.20 = 206,857,502.40/x
  3. Step 3: Cross multiply
    252,774,004.80x = 379,161,007.20 × 206,857,502.40
  4. Step 4: Simplify right side
    252,774,004.80x = 78,432,298,956,860,416
  5. Step 5: Solve for x
    x = 78,432,298,956,860,416/252,774,004.80
  6. Step 6: Final answer
    x = 310,286,253.60

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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.