Home / 323,453,619.40-485,180,429.10-288,517,606.60

Finding the Fourth Proportional to 323,453,619.40, 485,180,429.10 and 288,517,606.60

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Solution

The fourth proportional to 323,453,619.40, 485,180,429.10 and 288,517,606.60 is: 432,776,409.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,453,619.40 : 485,180,429.10 = 288,517,606.60 : x
  2. Step 2: Convert to fraction form
    323,453,619.40/485,180,429.10 = 288,517,606.60/x
  3. Step 3: Cross multiply
    323,453,619.40x = 485,180,429.10 × 288,517,606.60
  4. Step 4: Simplify right side
    323,453,619.40x = 139,983,096,173,093,008
  5. Step 5: Solve for x
    x = 139,983,096,173,093,008/323,453,619.40
  6. Step 6: Final answer
    x = 432,776,409.90

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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.