Home / 628,329,195,203.84-867,096,937,474.08-353,978,139,553.28

Finding the Fourth Proportional to 628,329,195,203.84, 867,096,937,474.08 and 353,978,139,553.28

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Solution

The fourth proportional to 628,329,195,203.84, 867,096,937,474.08 and 353,978,139,553.28 is: 488,491,324,424.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,329,195,203.84 : 867,096,937,474.08 = 353,978,139,553.28 : x
  2. Step 2: Convert to fraction form
    628,329,195,203.84/867,096,937,474.08 = 353,978,139,553.28/x
  3. Step 3: Cross multiply
    628,329,195,203.84x = 867,096,937,474.08 × 353,978,139,553.28
  4. Step 4: Simplify right side
    628,329,195,203.84x = 306,933,360,739,421,605,855,232
  5. Step 5: Solve for x
    x = 306,933,360,739,421,605,855,232/628,329,195,203.84
  6. Step 6: Final answer
    x = 488,491,324,424.05

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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.