Home / 19,315,640,827.20-28,973,461,240.80-18,580,976,788.80

Finding the Fourth Proportional to 19,315,640,827.20, 28,973,461,240.80 and 18,580,976,788.80

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Solution

The fourth proportional to 19,315,640,827.20, 28,973,461,240.80 and 18,580,976,788.80 is: 27,871,465,183.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,315,640,827.20 : 28,973,461,240.80 = 18,580,976,788.80 : x
  2. Step 2: Convert to fraction form
    19,315,640,827.20/28,973,461,240.80 = 18,580,976,788.80/x
  3. Step 3: Cross multiply
    19,315,640,827.20x = 28,973,461,240.80 × 18,580,976,788.80
  4. Step 4: Simplify right side
    19,315,640,827.20x = 538,355,210,806,501,179,392
  5. Step 5: Solve for x
    x = 538,355,210,806,501,179,392/19,315,640,827.20
  6. Step 6: Final answer
    x = 27,871,465,183.20

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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.