Home / 752,949,586.08-1,039,095,632.88-418,436,209.44

Finding the Fourth Proportional to 752,949,586.08, 1,039,095,632.88 and 418,436,209.44

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Solution

The fourth proportional to 752,949,586.08, 1,039,095,632.88 and 418,436,209.44 is: 577,455,975.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,949,586.08 : 1,039,095,632.88 = 418,436,209.44 : x
  2. Step 2: Convert to fraction form
    752,949,586.08/1,039,095,632.88 = 418,436,209.44/x
  3. Step 3: Cross multiply
    752,949,586.08x = 1,039,095,632.88 × 418,436,209.44
  4. Step 4: Simplify right side
    752,949,586.08x = 434,795,237,867,965,056
  5. Step 5: Solve for x
    x = 434,795,237,867,965,056/752,949,586.08
  6. Step 6: Final answer
    x = 577,455,975.68

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1.5x scale

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.