Home / 19,813,291,408.40-29,719,937,112.60-18,298,046,829.20

Finding the Fourth Proportional to 19,813,291,408.40, 29,719,937,112.60 and 18,298,046,829.20

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Solution

The fourth proportional to 19,813,291,408.40, 29,719,937,112.60 and 18,298,046,829.20 is: 27,447,070,243.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,813,291,408.40 : 29,719,937,112.60 = 18,298,046,829.20 : x
  2. Step 2: Convert to fraction form
    19,813,291,408.40/29,719,937,112.60 = 18,298,046,829.20/x
  3. Step 3: Cross multiply
    19,813,291,408.40x = 29,719,937,112.60 × 18,298,046,829.20
  4. Step 4: Simplify right side
    19,813,291,408.40x = 543,816,801,047,233,822,720
  5. Step 5: Solve for x
    x = 543,816,801,047,233,822,720/19,813,291,408.40
  6. Step 6: Final answer
    x = 27,447,070,243.80

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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.