Home / 903,644,844.60-1,355,467,266.90-628,145,830.20

Finding the Fourth Proportional to 903,644,844.60, 1,355,467,266.90 and 628,145,830.20

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Solution

The fourth proportional to 903,644,844.60, 1,355,467,266.90 and 628,145,830.20 is: 942,218,745.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,644,844.60 : 1,355,467,266.90 = 628,145,830.20 : x
  2. Step 2: Convert to fraction form
    903,644,844.60/1,355,467,266.90 = 628,145,830.20/x
  3. Step 3: Cross multiply
    903,644,844.60x = 1,355,467,266.90 × 628,145,830.20
  4. Step 4: Simplify right side
    903,644,844.60x = 851,431,111,675,825,664
  5. Step 5: Solve for x
    x = 851,431,111,675,825,664/903,644,844.60
  6. Step 6: Final answer
    x = 942,218,745.30

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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.