Home / 19,315,584,312.80-28,973,376,469.20-18,771,388,728.80

Finding the Fourth Proportional to 19,315,584,312.80, 28,973,376,469.20 and 18,771,388,728.80

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Solution

The fourth proportional to 19,315,584,312.80, 28,973,376,469.20 and 18,771,388,728.80 is: 28,157,083,093.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,315,584,312.80 : 28,973,376,469.20 = 18,771,388,728.80 : x
  2. Step 2: Convert to fraction form
    19,315,584,312.80/28,973,376,469.20 = 18,771,388,728.80/x
  3. Step 3: Cross multiply
    19,315,584,312.80x = 28,973,376,469.20 × 18,771,388,728.80
  4. Step 4: Simplify right side
    19,315,584,312.80x = 543,870,512,489,220,014,080
  5. Step 5: Solve for x
    x = 543,870,512,489,220,014,080/19,315,584,312.80
  6. Step 6: Final answer
    x = 28,157,083,093.20

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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.