Home / 472,560,200.55-708,840,300.83-407,936,974.95

Finding the Fourth Proportional to 472,560,200.55, 708,840,300.83 and 407,936,974.95

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Solution

The fourth proportional to 472,560,200.55, 708,840,300.83 and 407,936,974.95 is: 611,905,462.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,560,200.55 : 708,840,300.83 = 407,936,974.95 : x
  2. Step 2: Convert to fraction form
    472,560,200.55/708,840,300.83 = 407,936,974.95/x
  3. Step 3: Cross multiply
    472,560,200.55x = 708,840,300.83 × 407,936,974.95
  4. Step 4: Simplify right side
    472,560,200.55x = 289,162,168,041,198,528
  5. Step 5: Solve for x
    x = 289,162,168,041,198,528/472,560,200.55
  6. Step 6: Final answer
    x = 611,905,462.43

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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.