Home / 628,760,250.42-867,668,797.17-360,880,175.40

Finding the Fourth Proportional to 628,760,250.42, 867,668,797.17 and 360,880,175.40

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Solution

The fourth proportional to 628,760,250.42, 867,668,797.17 and 360,880,175.40 is: 498,002,962.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,760,250.42 : 867,668,797.17 = 360,880,175.40 : x
  2. Step 2: Convert to fraction form
    628,760,250.42/867,668,797.17 = 360,880,175.40/x
  3. Step 3: Cross multiply
    628,760,250.42x = 867,668,797.17 × 360,880,175.40
  4. Step 4: Simplify right side
    628,760,250.42x = 313,124,467,711,816,576
  5. Step 5: Solve for x
    x = 313,124,467,711,816,576/628,760,250.42
  6. Step 6: Final answer
    x = 498,002,962.98

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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.