Home / 18,729,802,157.90-28,083,483,642.12-5,961,361,036.80

Finding the Fourth Proportional to 18,729,802,157.90, 28,083,483,642.12 and 5,961,361,036.80

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Solution

The fourth proportional to 18,729,802,157.90, 28,083,483,642.12 and 5,961,361,036.80 is: 8,938,470,558.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,729,802,157.90 : 28,083,483,642.12 = 5,961,361,036.80 : x
  2. Step 2: Convert to fraction form
    18,729,802,157.90/28,083,483,642.12 = 5,961,361,036.80/x
  3. Step 3: Cross multiply
    18,729,802,157.90x = 28,083,483,642.12 × 5,961,361,036.80
  4. Step 4: Simplify right side
    18,729,802,157.90x = 167,415,785,161,744,318,464
  5. Step 5: Solve for x
    x = 167,415,785,161,744,318,464/18,729,802,157.90
  6. Step 6: Final answer
    x = 8,938,470,558.86

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1.5x scale

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.