Home / 13,201,407,340.40-19,802,111,010.60-7,958,316,722.60

Finding the Fourth Proportional to 13,201,407,340.40, 19,802,111,010.60 and 7,958,316,722.60

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Solution

The fourth proportional to 13,201,407,340.40, 19,802,111,010.60 and 7,958,316,722.60 is: 11,937,475,083.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,201,407,340.40 : 19,802,111,010.60 = 7,958,316,722.60 : x
  2. Step 2: Convert to fraction form
    13,201,407,340.40/19,802,111,010.60 = 7,958,316,722.60/x
  3. Step 3: Cross multiply
    13,201,407,340.40x = 19,802,111,010.60 × 7,958,316,722.60
  4. Step 4: Simplify right side
    13,201,407,340.40x = 157,591,471,198,439,571,456
  5. Step 5: Solve for x
    x = 157,591,471,198,439,571,456/13,201,407,340.40
  6. Step 6: Final answer
    x = 11,937,475,083.90

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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.