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Finding the Fourth Proportional to 799,455,764.80, 1,197,392,056.80 and 656,128,532.80

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Solution

The fourth proportional to 799,455,764.80, 1,197,392,056.80 and 656,128,532.80 is: 982,722,406.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,455,764.80 : 1,197,392,056.80 = 656,128,532.80 : x
  2. Step 2: Convert to fraction form
    799,455,764.80/1,197,392,056.80 = 656,128,532.80/x
  3. Step 3: Cross multiply
    799,455,764.80x = 1,197,392,056.80 × 656,128,532.80
  4. Step 4: Simplify right side
    799,455,764.80x = 785,643,093,414,558,208
  5. Step 5: Solve for x
    x = 785,643,093,414,558,208/799,455,764.80
  6. Step 6: Final answer
    x = 982,722,406.93

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1.5x scale

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.