Home / 553,593,670.80-829,823,635.80-323,444,288.40

Finding the Fourth Proportional to 553,593,670.80, 829,823,635.80 and 323,444,288.40

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Solution

The fourth proportional to 553,593,670.80, 829,823,635.80 and 323,444,288.40 is: 484,835,231.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,593,670.80 : 829,823,635.80 = 323,444,288.40 : x
  2. Step 2: Convert to fraction form
    553,593,670.80/829,823,635.80 = 323,444,288.40/x
  3. Step 3: Cross multiply
    553,593,670.80x = 829,823,635.80 × 323,444,288.40
  4. Step 4: Simplify right side
    553,593,670.80x = 268,401,715,378,831,744
  5. Step 5: Solve for x
    x = 268,401,715,378,831,744/553,593,670.80
  6. Step 6: Final answer
    x = 484,835,231.21

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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.