Home / 1,139,542,847.70-1,709,314,271.55-955,876,838.10

Finding the Fourth Proportional to 1,139,542,847.70, 1,709,314,271.55 and 955,876,838.10

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Solution

The fourth proportional to 1,139,542,847.70, 1,709,314,271.55 and 955,876,838.10 is: 1,433,815,257.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,542,847.70 : 1,709,314,271.55 = 955,876,838.10 : x
  2. Step 2: Convert to fraction form
    1,139,542,847.70/1,709,314,271.55 = 955,876,838.10/x
  3. Step 3: Cross multiply
    1,139,542,847.70x = 1,709,314,271.55 × 955,876,838.10
  4. Step 4: Simplify right side
    1,139,542,847.70x = 1,633,893,921,208,418,816
  5. Step 5: Solve for x
    x = 1,633,893,921,208,418,816/1,139,542,847.70
  6. Step 6: Final answer
    x = 1,433,815,257.15

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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.