Home / 2,158,698,454.24-2,979,004,863.54-1,168,623,871.24

Finding the Fourth Proportional to 2,158,698,454.24, 2,979,004,863.54 and 1,168,623,871.24

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Solution

The fourth proportional to 2,158,698,454.24, 2,979,004,863.54 and 1,168,623,871.24 is: 1,612,701,481.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,698,454.24 : 2,979,004,863.54 = 1,168,623,871.24 : x
  2. Step 2: Convert to fraction form
    2,158,698,454.24/2,979,004,863.54 = 1,168,623,871.24/x
  3. Step 3: Cross multiply
    2,158,698,454.24x = 2,979,004,863.54 × 1,168,623,871.24
  4. Step 4: Simplify right side
    2,158,698,454.24x = 3,481,336,196,072,902,656
  5. Step 5: Solve for x
    x = 3,481,336,196,072,902,656/2,158,698,454.24
  6. Step 6: Final answer
    x = 1,612,701,481.87

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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.