Home / 903,646,937.60-1,355,470,406.40-628,147,923.20

Finding the Fourth Proportional to 903,646,937.60, 1,355,470,406.40 and 628,147,923.20

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Solution

The fourth proportional to 903,646,937.60, 1,355,470,406.40 and 628,147,923.20 is: 942,221,884.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,646,937.60 : 1,355,470,406.40 = 628,147,923.20 : x
  2. Step 2: Convert to fraction form
    903,646,937.60/1,355,470,406.40 = 628,147,923.20/x
  3. Step 3: Cross multiply
    903,646,937.60x = 1,355,470,406.40 × 628,147,923.20
  4. Step 4: Simplify right side
    903,646,937.60x = 851,435,920,739,220,096
  5. Step 5: Solve for x
    x = 851,435,920,739,220,096/903,646,937.60
  6. Step 6: Final answer
    x = 942,221,884.80

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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.