Home / 352,503,217.72-486,465,390.26-193,730,459.68

Finding the Fourth Proportional to 352,503,217.72, 486,465,390.26 and 193,730,459.68

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Solution

The fourth proportional to 352,503,217.72, 486,465,390.26 and 193,730,459.68 is: 267,354,052.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,503,217.72 : 486,465,390.26 = 193,730,459.68 : x
  2. Step 2: Convert to fraction form
    352,503,217.72/486,465,390.26 = 193,730,459.68/x
  3. Step 3: Cross multiply
    352,503,217.72x = 486,465,390.26 × 193,730,459.68
  4. Step 4: Simplify right side
    352,503,217.72x = 94,243,163,673,480,400
  5. Step 5: Solve for x
    x = 94,243,163,673,480,400/352,503,217.72
  6. Step 6: Final answer
    x = 267,354,052.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.