Home / 553,471,776.65-830,417,344.28-332,297,571.61

Finding the Fourth Proportional to 553,471,776.65, 830,417,344.28 and 332,297,571.61

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Solution

The fourth proportional to 553,471,776.65, 830,417,344.28 and 332,297,571.61 is: 498,572,246.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,471,776.65 : 830,417,344.28 = 332,297,571.61 : x
  2. Step 2: Convert to fraction form
    553,471,776.65/830,417,344.28 = 332,297,571.61/x
  3. Step 3: Cross multiply
    553,471,776.65x = 830,417,344.28 × 332,297,571.61
  4. Step 4: Simplify right side
    553,471,776.65x = 275,945,666,923,024,992
  5. Step 5: Solve for x
    x = 275,945,666,923,024,992/553,471,776.65
  6. Step 6: Final answer
    x = 498,572,246.26

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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.