Home / 400,353,328.49-600,620,546.84-216,116,850.38

Finding the Fourth Proportional to 400,353,328.49, 600,620,546.84 and 216,116,850.38

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Solution

The fourth proportional to 400,353,328.49, 600,620,546.84 and 216,116,850.38 is: 324,224,158.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,353,328.49 : 600,620,546.84 = 216,116,850.38 : x
  2. Step 2: Convert to fraction form
    400,353,328.49/600,620,546.84 = 216,116,850.38/x
  3. Step 3: Cross multiply
    400,353,328.49x = 600,620,546.84 × 216,116,850.38
  4. Step 4: Simplify right side
    400,353,328.49x = 129,804,220,852,490,384
  5. Step 5: Solve for x
    x = 129,804,220,852,490,384/400,353,328.49
  6. Step 6: Final answer
    x = 324,224,158.05

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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.