Home / 472,392,003.20-708,588,004.80-369,079,872.80

Finding the Fourth Proportional to 472,392,003.20, 708,588,004.80 and 369,079,872.80

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Solution

The fourth proportional to 472,392,003.20, 708,588,004.80 and 369,079,872.80 is: 553,619,809.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,003.20 : 708,588,004.80 = 369,079,872.80 : x
  2. Step 2: Convert to fraction form
    472,392,003.20/708,588,004.80 = 369,079,872.80/x
  3. Step 3: Cross multiply
    472,392,003.20x = 708,588,004.80 × 369,079,872.80
  4. Step 4: Simplify right side
    472,392,003.20x = 261,525,570,679,189,792
  5. Step 5: Solve for x
    x = 261,525,570,679,189,792/472,392,003.20
  6. Step 6: Final answer
    x = 553,619,809.20

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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.