Home / 18,729,802,157.40-28,083,483,641.38-5,961,361,036.30

Finding the Fourth Proportional to 18,729,802,157.40, 28,083,483,641.38 and 5,961,361,036.30

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Solution

The fourth proportional to 18,729,802,157.40, 28,083,483,641.38 and 5,961,361,036.30 is: 8,938,470,558.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,729,802,157.40 : 28,083,483,641.38 = 5,961,361,036.30 : x
  2. Step 2: Convert to fraction form
    18,729,802,157.40/28,083,483,641.38 = 5,961,361,036.30/x
  3. Step 3: Cross multiply
    18,729,802,157.40x = 28,083,483,641.38 × 5,961,361,036.30
  4. Step 4: Simplify right side
    18,729,802,157.40x = 167,415,785,143,120,953,344
  5. Step 5: Solve for x
    x = 167,415,785,143,120,953,344/18,729,802,157.40
  6. Step 6: Final answer
    x = 8,938,470,558.11

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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.