Home / 55,632,401,716.40-83,419,937,128.20-20,717,888,001.20

Finding the Fourth Proportional to 55,632,401,716.40, 83,419,937,128.20 and 20,717,888,001.20

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Solution

The fourth proportional to 55,632,401,716.40, 83,419,937,128.20 and 20,717,888,001.20 is: 31,066,156,792.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,632,401,716.40 : 83,419,937,128.20 = 20,717,888,001.20 : x
  2. Step 2: Convert to fraction form
    55,632,401,716.40/83,419,937,128.20 = 20,717,888,001.20/x
  3. Step 3: Cross multiply
    55,632,401,716.40x = 83,419,937,128.20 × 20,717,888,001.20
  4. Step 4: Simplify right side
    55,632,401,716.40x = 1,728,284,914,489,193,136,128
  5. Step 5: Solve for x
    x = 1,728,284,914,489,193,136,128/55,632,401,716.40
  6. Step 6: Final answer
    x = 31,066,156,792.93

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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.