Home / 19,012,292,103.60-28,518,438,155.40-18,206,202,394.80

Finding the Fourth Proportional to 19,012,292,103.60, 28,518,438,155.40 and 18,206,202,394.80

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Solution

The fourth proportional to 19,012,292,103.60, 28,518,438,155.40 and 18,206,202,394.80 is: 27,309,303,592.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,012,292,103.60 : 28,518,438,155.40 = 18,206,202,394.80 : x
  2. Step 2: Convert to fraction form
    19,012,292,103.60/28,518,438,155.40 = 18,206,202,394.80/x
  3. Step 3: Cross multiply
    19,012,292,103.60x = 28,518,438,155.40 × 18,206,202,394.80
  4. Step 4: Simplify right side
    19,012,292,103.60x = 519,212,457,040,799,203,328
  5. Step 5: Solve for x
    x = 519,212,457,040,799,203,328/19,012,292,103.60
  6. Step 6: Final answer
    x = 27,309,303,592.20

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Double scale
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1.5x scale

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.