Home / 626,263,561.08-864,193,313.70-361,962,672.86

Finding the Fourth Proportional to 626,263,561.08, 864,193,313.70 and 361,962,672.86

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Solution

The fourth proportional to 626,263,561.08, 864,193,313.70 and 361,962,672.86 is: 499,479,358.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,263,561.08 : 864,193,313.70 = 361,962,672.86 : x
  2. Step 2: Convert to fraction form
    626,263,561.08/864,193,313.70 = 361,962,672.86/x
  3. Step 3: Cross multiply
    626,263,561.08x = 864,193,313.70 × 361,962,672.86
  4. Step 4: Simplify right side
    626,263,561.08x = 312,805,721,690,271,552
  5. Step 5: Solve for x
    x = 312,805,721,690,271,552/626,263,561.08
  6. Step 6: Final answer
    x = 499,479,358.42

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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.