Home / 21,928,789,222.28-30,262,097,142.50-11,904,284,065.80

Finding the Fourth Proportional to 21,928,789,222.28, 30,262,097,142.50 and 11,904,284,065.80

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Solution

The fourth proportional to 21,928,789,222.28, 30,262,097,142.50 and 11,904,284,065.80 is: 16,428,111,792.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,928,789,222.28 : 30,262,097,142.50 = 11,904,284,065.80 : x
  2. Step 2: Convert to fraction form
    21,928,789,222.28/30,262,097,142.50 = 11,904,284,065.80/x
  3. Step 3: Cross multiply
    21,928,789,222.28x = 30,262,097,142.50 × 11,904,284,065.80
  4. Step 4: Simplify right side
    21,928,789,222.28x = 360,248,600,811,154,440,192
  5. Step 5: Solve for x
    x = 360,248,600,811,154,440,192/21,928,789,222.28
  6. Step 6: Final answer
    x = 16,428,111,792.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.