Home / 12,864,143,109.44-19,287,956,069.40-4,995,170,622.56

Finding the Fourth Proportional to 12,864,143,109.44, 19,287,956,069.40 and 4,995,170,622.56

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Solution

The fourth proportional to 12,864,143,109.44, 19,287,956,069.40 and 4,995,170,622.56 is: 7,489,549,106.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,864,143,109.44 : 19,287,956,069.40 = 4,995,170,622.56 : x
  2. Step 2: Convert to fraction form
    12,864,143,109.44/19,287,956,069.40 = 4,995,170,622.56/x
  3. Step 3: Cross multiply
    12,864,143,109.44x = 19,287,956,069.40 × 4,995,170,622.56
  4. Step 4: Simplify right side
    12,864,143,109.44x = 96,346,631,527,094,747,136
  5. Step 5: Solve for x
    x = 96,346,631,527,094,747,136/12,864,143,109.44
  6. Step 6: Final answer
    x = 7,489,549,106.18

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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.