Home / 20,155,408,670.40-30,233,113,005.60-19,339,115,294.40

Finding the Fourth Proportional to 20,155,408,670.40, 30,233,113,005.60 and 19,339,115,294.40

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Solution

The fourth proportional to 20,155,408,670.40, 30,233,113,005.60 and 19,339,115,294.40 is: 29,008,672,941.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,155,408,670.40 : 30,233,113,005.60 = 19,339,115,294.40 : x
  2. Step 2: Convert to fraction form
    20,155,408,670.40/30,233,113,005.60 = 19,339,115,294.40/x
  3. Step 3: Cross multiply
    20,155,408,670.40x = 30,233,113,005.60 × 19,339,115,294.40
  4. Step 4: Simplify right side
    20,155,408,670.40x = 584,681,658,123,922,505,728
  5. Step 5: Solve for x
    x = 584,681,658,123,922,505,728/20,155,408,670.40
  6. Step 6: Final answer
    x = 29,008,672,941.60

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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.