Home / 608,123,467.20-912,185,200.80-531,595,963.20

Finding the Fourth Proportional to 608,123,467.20, 912,185,200.80 and 531,595,963.20

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Solution

The fourth proportional to 608,123,467.20, 912,185,200.80 and 531,595,963.20 is: 797,393,944.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,123,467.20 : 912,185,200.80 = 531,595,963.20 : x
  2. Step 2: Convert to fraction form
    608,123,467.20/912,185,200.80 = 531,595,963.20/x
  3. Step 3: Cross multiply
    608,123,467.20x = 912,185,200.80 × 531,595,963.20
  4. Step 4: Simplify right side
    608,123,467.20x = 484,913,970,436,061,376
  5. Step 5: Solve for x
    x = 484,913,970,436,061,376/608,123,467.20
  6. Step 6: Final answer
    x = 797,393,944.80

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1.5x scale

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.