Home / 553,131,786.80-829,697,680.20-277,632,772.40

Finding the Fourth Proportional to 553,131,786.80, 829,697,680.20 and 277,632,772.40

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Solution

The fourth proportional to 553,131,786.80, 829,697,680.20 and 277,632,772.40 is: 416,449,158.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,131,786.80 : 829,697,680.20 = 277,632,772.40 : x
  2. Step 2: Convert to fraction form
    553,131,786.80/829,697,680.20 = 277,632,772.40/x
  3. Step 3: Cross multiply
    553,131,786.80x = 829,697,680.20 × 277,632,772.40
  4. Step 4: Simplify right side
    553,131,786.80x = 230,351,267,207,774,592
  5. Step 5: Solve for x
    x = 230,351,267,207,774,592/553,131,786.80
  6. Step 6: Final answer
    x = 416,449,158.60

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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.