Home / 946,467,389.70-1,306,100,935.14-528,782,811.90

Finding the Fourth Proportional to 946,467,389.70, 1,306,100,935.14 and 528,782,811.90

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Solution

The fourth proportional to 946,467,389.70, 1,306,100,935.14 and 528,782,811.90 is: 729,706,836.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,467,389.70 : 1,306,100,935.14 = 528,782,811.90 : x
  2. Step 2: Convert to fraction form
    946,467,389.70/1,306,100,935.14 = 528,782,811.90/x
  3. Step 3: Cross multiply
    946,467,389.70x = 1,306,100,935.14 × 528,782,811.90
  4. Step 4: Simplify right side
    946,467,389.70x = 690,643,725,108,548,736
  5. Step 5: Solve for x
    x = 690,643,725,108,548,736/946,467,389.70
  6. Step 6: Final answer
    x = 729,706,836.84

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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.