Home / 351,703,472.80-527,309,449.20-208,022,346.40

Finding the Fourth Proportional to 351,703,472.80, 527,309,449.20 and 208,022,346.40

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Solution

The fourth proportional to 351,703,472.80, 527,309,449.20 and 208,022,346.40 is: 311,888,159.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,703,472.80 : 527,309,449.20 = 208,022,346.40 : x
  2. Step 2: Convert to fraction form
    351,703,472.80/527,309,449.20 = 208,022,346.40/x
  3. Step 3: Cross multiply
    351,703,472.80x = 527,309,449.20 × 208,022,346.40
  4. Step 4: Simplify right side
    351,703,472.80x = 109,692,148,901,475,600
  5. Step 5: Solve for x
    x = 109,692,148,901,475,600/351,703,472.80
  6. Step 6: Final answer
    x = 311,888,159.73

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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.