Home / 354,417,850.20-531,054,461.70-200,606,496.60

Finding the Fourth Proportional to 354,417,850.20, 531,054,461.70 and 200,606,496.60

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Solution

The fourth proportional to 354,417,850.20, 531,054,461.70 and 200,606,496.60 is: 300,585,805.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,417,850.20 : 531,054,461.70 = 200,606,496.60 : x
  2. Step 2: Convert to fraction form
    354,417,850.20/531,054,461.70 = 200,606,496.60/x
  3. Step 3: Cross multiply
    354,417,850.20x = 531,054,461.70 × 200,606,496.60
  4. Step 4: Simplify right side
    354,417,850.20x = 106,532,975,065,435,872
  5. Step 5: Solve for x
    x = 106,532,975,065,435,872/354,417,850.20
  6. Step 6: Final answer
    x = 300,585,805.72

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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.