Home / 628,760,251.42-867,668,798.55-360,880,176.40

Finding the Fourth Proportional to 628,760,251.42, 867,668,798.55 and 360,880,176.40

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Solution

The fourth proportional to 628,760,251.42, 867,668,798.55 and 360,880,176.40 is: 498,002,964.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,760,251.42 : 867,668,798.55 = 360,880,176.40 : x
  2. Step 2: Convert to fraction form
    628,760,251.42/867,668,798.55 = 360,880,176.40/x
  3. Step 3: Cross multiply
    628,760,251.42x = 867,668,798.55 × 360,880,176.40
  4. Step 4: Simplify right side
    628,760,251.42x = 313,124,469,077,500,032
  5. Step 5: Solve for x
    x = 313,124,469,077,500,032/628,760,251.42
  6. Step 6: Final answer
    x = 498,002,964.36

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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.