Home / 2,151,431,880.69-2,968,897,610.73-1,198,763,395.77

Finding the Fourth Proportional to 2,151,431,880.69, 2,968,897,610.73 and 1,198,763,395.77

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Solution

The fourth proportional to 2,151,431,880.69, 2,968,897,610.73 and 1,198,763,395.77 is: 1,654,249,810.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151,431,880.69 : 2,968,897,610.73 = 1,198,763,395.77 : x
  2. Step 2: Convert to fraction form
    2,151,431,880.69/2,968,897,610.73 = 1,198,763,395.77/x
  3. Step 3: Cross multiply
    2,151,431,880.69x = 2,968,897,610.73 × 1,198,763,395.77
  4. Step 4: Simplify right side
    2,151,431,880.69x = 3,559,005,781,532,134,400
  5. Step 5: Solve for x
    x = 3,559,005,781,532,134,400/2,151,431,880.69
  6. Step 6: Final answer
    x = 1,654,249,810.78

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Why These Related Problems?

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