Home / 799,455,765.80-1,197,392,058.30-656,128,533.80

Finding the Fourth Proportional to 799,455,765.80, 1,197,392,058.30 and 656,128,533.80

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Solution

The fourth proportional to 799,455,765.80, 1,197,392,058.30 and 656,128,533.80 is: 982,722,408.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,455,765.80 : 1,197,392,058.30 = 656,128,533.80 : x
  2. Step 2: Convert to fraction form
    799,455,765.80/1,197,392,058.30 = 656,128,533.80/x
  3. Step 3: Cross multiply
    799,455,765.80x = 1,197,392,058.30 × 656,128,533.80
  4. Step 4: Simplify right side
    799,455,765.80x = 785,643,095,596,142,976
  5. Step 5: Solve for x
    x = 785,643,095,596,142,976/799,455,765.80
  6. Step 6: Final answer
    x = 982,722,408.42

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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.