Home / 362,072,495.20-543,459,493.88-342,409,178.24

Finding the Fourth Proportional to 362,072,495.20, 543,459,493.88 and 342,409,178.24

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Solution

The fourth proportional to 362,072,495.20, 543,459,493.88 and 342,409,178.24 is: 513,945,469.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,072,495.20 : 543,459,493.88 = 342,409,178.24 : x
  2. Step 2: Convert to fraction form
    362,072,495.20/543,459,493.88 = 342,409,178.24/x
  3. Step 3: Cross multiply
    362,072,495.20x = 543,459,493.88 × 342,409,178.24
  4. Step 4: Simplify right side
    362,072,495.20x = 186,085,518,706,177,120
  5. Step 5: Solve for x
    x = 186,085,518,706,177,120/362,072,495.20
  6. Step 6: Final answer
    x = 513,945,469.96

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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.