Home / 303,312,708.70-454,969,063.05-200,000,578.30

Finding the Fourth Proportional to 303,312,708.70, 454,969,063.05 and 200,000,578.30

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Solution

The fourth proportional to 303,312,708.70, 454,969,063.05 and 200,000,578.30 is: 300,000,867.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,312,708.70 : 454,969,063.05 = 200,000,578.30 : x
  2. Step 2: Convert to fraction form
    303,312,708.70/454,969,063.05 = 200,000,578.30/x
  3. Step 3: Cross multiply
    303,312,708.70x = 454,969,063.05 × 200,000,578.30
  4. Step 4: Simplify right side
    303,312,708.70x = 90,994,075,718,609,168
  5. Step 5: Solve for x
    x = 90,994,075,718,609,168/303,312,708.70
  6. Step 6: Final answer
    x = 300,000,867.45

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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.