Home / 4,278,528,002.80-6,417,792,004.20-3,686,715,305.20

Finding the Fourth Proportional to 4,278,528,002.80, 6,417,792,004.20 and 3,686,715,305.20

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Solution

The fourth proportional to 4,278,528,002.80, 6,417,792,004.20 and 3,686,715,305.20 is: 5,530,072,957.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278,528,002.80 : 6,417,792,004.20 = 3,686,715,305.20 : x
  2. Step 2: Convert to fraction form
    4,278,528,002.80/6,417,792,004.20 = 3,686,715,305.20/x
  3. Step 3: Cross multiply
    4,278,528,002.80x = 6,417,792,004.20 × 3,686,715,305.20
  4. Step 4: Simplify right side
    4,278,528,002.80x = 23,660,572,007,474,319,360
  5. Step 5: Solve for x
    x = 23,660,572,007,474,319,360/4,278,528,002.80
  6. Step 6: Final answer
    x = 5,530,072,957.80

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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.