Home / 2,151,431,879.19-2,968,897,608.68-1,198,763,394.27

Finding the Fourth Proportional to 2,151,431,879.19, 2,968,897,608.68 and 1,198,763,394.27

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Solution

The fourth proportional to 2,151,431,879.19, 2,968,897,608.68 and 1,198,763,394.27 is: 1,654,249,808.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151,431,879.19 : 2,968,897,608.68 = 1,198,763,394.27 : x
  2. Step 2: Convert to fraction form
    2,151,431,879.19/2,968,897,608.68 = 1,198,763,394.27/x
  3. Step 3: Cross multiply
    2,151,431,879.19x = 2,968,897,608.68 × 1,198,763,394.27
  4. Step 4: Simplify right side
    2,151,431,879.19x = 3,559,005,774,615,329,280
  5. Step 5: Solve for x
    x = 3,559,005,774,615,329,280/2,151,431,879.19
  6. Step 6: Final answer
    x = 1,654,249,808.72

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Double scale
Find fourth proportional to 2,151,431,880.19, 2,968,897,610.05 and 1,198,763,395.27
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1.5x scale

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.