Home / 1,366,569,124.80-2,049,654,621.60-397,119,652.80

Finding the Fourth Proportional to 1,366,569,124.80, 2,049,654,621.60 and 397,119,652.80

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Solution

The fourth proportional to 1,366,569,124.80, 2,049,654,621.60 and 397,119,652.80 is: 595,621,631.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366,569,124.80 : 2,049,654,621.60 = 397,119,652.80 : x
  2. Step 2: Convert to fraction form
    1,366,569,124.80/2,049,654,621.60 = 397,119,652.80/x
  3. Step 3: Cross multiply
    1,366,569,124.80x = 2,049,654,621.60 × 397,119,652.80
  4. Step 4: Simplify right side
    1,366,569,124.80x = 813,958,131,689,707,392
  5. Step 5: Solve for x
    x = 813,958,131,689,707,392/1,366,569,124.80
  6. Step 6: Final answer
    x = 595,621,631.51

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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.