Home / 19,361,212,827.20-29,041,819,240.80-18,931,231,131.20

Finding the Fourth Proportional to 19,361,212,827.20, 29,041,819,240.80 and 18,931,231,131.20

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Solution

The fourth proportional to 19,361,212,827.20, 29,041,819,240.80 and 18,931,231,131.20 is: 28,396,846,696.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,361,212,827.20 : 29,041,819,240.80 = 18,931,231,131.20 : x
  2. Step 2: Convert to fraction form
    19,361,212,827.20/29,041,819,240.80 = 18,931,231,131.20/x
  3. Step 3: Cross multiply
    19,361,212,827.20x = 29,041,819,240.80 × 18,931,231,131.20
  4. Step 4: Simplify right side
    19,361,212,827.20x = 549,797,392,518,116,147,200
  5. Step 5: Solve for x
    x = 549,797,392,518,116,147,200/19,361,212,827.20
  6. Step 6: Final answer
    x = 28,396,846,696.80

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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.