Home / 543,847,712,861.80-750,512,177,022.30-296,655,378,410.67

Finding the Fourth Proportional to 543,847,712,861.80, 750,512,177,022.30 and 296,655,378,410.67

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Solution

The fourth proportional to 543,847,712,861.80, 750,512,177,022.30 and 296,655,378,410.67 is: 409,385,694,949.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,847,712,861.80 : 750,512,177,022.30 = 296,655,378,410.67 : x
  2. Step 2: Convert to fraction form
    543,847,712,861.80/750,512,177,022.30 = 296,655,378,410.67/x
  3. Step 3: Cross multiply
    543,847,712,861.80x = 750,512,177,022.30 × 296,655,378,410.67
  4. Step 4: Simplify right side
    543,847,712,861.80x = 222,643,473,876,366,171,045,888
  5. Step 5: Solve for x
    x = 222,643,473,876,366,171,045,888/543,847,712,861.80
  6. Step 6: Final answer
    x = 409,385,694,949.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.