Home / 436,831,815,272.40-655,247,722,908.60-122,762,938,856.40

Finding the Fourth Proportional to 436,831,815,272.40, 655,247,722,908.60 and 122,762,938,856.40

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Solution

The fourth proportional to 436,831,815,272.40, 655,247,722,908.60 and 122,762,938,856.40 is: 184,144,408,284.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,831,815,272.40 : 655,247,722,908.60 = 122,762,938,856.40 : x
  2. Step 2: Convert to fraction form
    436,831,815,272.40/655,247,722,908.60 = 122,762,938,856.40/x
  3. Step 3: Cross multiply
    436,831,815,272.40x = 655,247,722,908.60 × 122,762,938,856.40
  4. Step 4: Simplify right side
    436,831,815,272.40x = 80,440,136,143,223,782,375,424
  5. Step 5: Solve for x
    x = 80,440,136,143,223,782,375,424/436,831,815,272.40
  6. Step 6: Final answer
    x = 184,144,408,284.60

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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.