Home / 628,456,606.20-867,297,023.88-349,998,128.82

Finding the Fourth Proportional to 628,456,606.20, 867,297,023.88 and 349,998,128.82

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Solution

The fourth proportional to 628,456,606.20, 867,297,023.88 and 349,998,128.82 is: 483,012,402.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,456,606.20 : 867,297,023.88 = 349,998,128.82 : x
  2. Step 2: Convert to fraction form
    628,456,606.20/867,297,023.88 = 349,998,128.82/x
  3. Step 3: Cross multiply
    628,456,606.20x = 867,297,023.88 × 349,998,128.82
  4. Step 4: Simplify right side
    628,456,606.20x = 303,552,335,489,154,880
  5. Step 5: Solve for x
    x = 303,552,335,489,154,880/628,456,606.20
  6. Step 6: Final answer
    x = 483,012,402.92

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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.