Home / 19,906,363,806.30-29,859,341,197.61-11,506,924,919.33

Finding the Fourth Proportional to 19,906,363,806.30, 29,859,341,197.61 and 11,506,924,919.33

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Solution

The fourth proportional to 19,906,363,806.30, 29,859,341,197.61 and 11,506,924,919.33 is: 17,260,269,160.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,906,363,806.30 : 29,859,341,197.61 = 11,506,924,919.33 : x
  2. Step 2: Convert to fraction form
    19,906,363,806.30/29,859,341,197.61 = 11,506,924,919.33/x
  3. Step 3: Cross multiply
    19,906,363,806.30x = 29,859,341,197.61 × 11,506,924,919.33
  4. Step 4: Simplify right side
    19,906,363,806.30x = 343,589,197,301,348,564,992
  5. Step 5: Solve for x
    x = 343,589,197,301,348,564,992/19,906,363,806.30
  6. Step 6: Final answer
    x = 17,260,269,160.39

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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.