Home / 1,079,515,298.01-1,489,830,969.02-656,031,222.75

Finding the Fourth Proportional to 1,079,515,298.01, 1,489,830,969.02 and 656,031,222.75

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Solution

The fourth proportional to 1,079,515,298.01, 1,489,830,969.02 and 656,031,222.75 is: 905,383,771.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,515,298.01 : 1,489,830,969.02 = 656,031,222.75 : x
  2. Step 2: Convert to fraction form
    1,079,515,298.01/1,489,830,969.02 = 656,031,222.75/x
  3. Step 3: Cross multiply
    1,079,515,298.01x = 1,489,830,969.02 × 656,031,222.75
  4. Step 4: Simplify right side
    1,079,515,298.01x = 977,375,632,297,008,000
  5. Step 5: Solve for x
    x = 977,375,632,297,008,000/1,079,515,298.01
  6. Step 6: Final answer
    x = 905,383,771.86

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.