Home / 543,847,712,861.50-750,512,177,021.85-296,655,378,410.36

Finding the Fourth Proportional to 543,847,712,861.50, 750,512,177,021.85 and 296,655,378,410.36

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Solution

The fourth proportional to 543,847,712,861.50, 750,512,177,021.85 and 296,655,378,410.36 is: 409,385,694,948.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,847,712,861.50 : 750,512,177,021.85 = 296,655,378,410.36 : x
  2. Step 2: Convert to fraction form
    543,847,712,861.50/750,512,177,021.85 = 296,655,378,410.36/x
  3. Step 3: Cross multiply
    543,847,712,861.50x = 750,512,177,021.85 × 296,655,378,410.36
  4. Step 4: Simplify right side
    543,847,712,861.50x = 222,643,473,875,999,991,529,472
  5. Step 5: Solve for x
    x = 222,643,473,875,999,991,529,472/543,847,712,861.50
  6. Step 6: Final answer
    x = 409,385,694,948.58

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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.