Home / 79,011,919,512.36-109,036,556,902.24-42,882,952,491.81

Finding the Fourth Proportional to 79,011,919,512.36, 109,036,556,902.24 and 42,882,952,491.81

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Solution

The fourth proportional to 79,011,919,512.36, 109,036,556,902.24 and 42,882,952,491.81 is: 59,178,533,041.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,011,919,512.36 : 109,036,556,902.24 = 42,882,952,491.81 : x
  2. Step 2: Convert to fraction form
    79,011,919,512.36/109,036,556,902.24 = 42,882,952,491.81/x
  3. Step 3: Cross multiply
    79,011,919,512.36x = 109,036,556,902.24 × 42,882,952,491.81
  4. Step 4: Simplify right side
    79,011,919,512.36x = 4,675,809,489,508,750,589,952
  5. Step 5: Solve for x
    x = 4,675,809,489,508,750,589,952/79,011,919,512.36
  6. Step 6: Final answer
    x = 59,178,533,041.18

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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.