Home / 2,413,698,916.80-3,619,698,069.60-861,040,891.20

Finding the Fourth Proportional to 2,413,698,916.80, 3,619,698,069.60 and 861,040,891.20

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Solution

The fourth proportional to 2,413,698,916.80, 3,619,698,069.60 and 861,040,891.20 is: 1,291,258,006.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,413,698,916.80 : 3,619,698,069.60 = 861,040,891.20 : x
  2. Step 2: Convert to fraction form
    2,413,698,916.80/3,619,698,069.60 = 861,040,891.20/x
  3. Step 3: Cross multiply
    2,413,698,916.80x = 3,619,698,069.60 × 861,040,891.20
  4. Step 4: Simplify right side
    2,413,698,916.80x = 3,116,708,051,723,303,936
  5. Step 5: Solve for x
    x = 3,116,708,051,723,303,936/2,413,698,916.80
  6. Step 6: Final answer
    x = 1,291,258,006.55

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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.