Home / 323,453,618.40-485,180,427.60-288,517,605.60

Finding the Fourth Proportional to 323,453,618.40, 485,180,427.60 and 288,517,605.60

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Solution

The fourth proportional to 323,453,618.40, 485,180,427.60 and 288,517,605.60 is: 432,776,408.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,453,618.40 : 485,180,427.60 = 288,517,605.60 : x
  2. Step 2: Convert to fraction form
    323,453,618.40/485,180,427.60 = 288,517,605.60/x
  3. Step 3: Cross multiply
    323,453,618.40x = 485,180,427.60 × 288,517,605.60
  4. Step 4: Simplify right side
    323,453,618.40x = 139,983,095,255,136,176
  5. Step 5: Solve for x
    x = 139,983,095,255,136,176/323,453,618.40
  6. Step 6: Final answer
    x = 432,776,408.40

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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.