Home / 424,546,859,847.99-636,909,739,586.95-137,682,548,308.32

Finding the Fourth Proportional to 424,546,859,847.99, 636,909,739,586.95 and 137,682,548,308.32

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Solution

The fourth proportional to 424,546,859,847.99, 636,909,739,586.95 and 137,682,548,308.32 is: 206,552,831,459.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,546,859,847.99 : 636,909,739,586.95 = 137,682,548,308.32 : x
  2. Step 2: Convert to fraction form
    424,546,859,847.99/636,909,739,586.95 = 137,682,548,308.32/x
  3. Step 3: Cross multiply
    424,546,859,847.99x = 636,909,739,586.95 × 137,682,548,308.32
  4. Step 4: Simplify right side
    424,546,859,847.99x = 87,691,355,988,719,749,300,224
  5. Step 5: Solve for x
    x = 87,691,355,988,719,749,300,224/424,546,859,847.99
  6. Step 6: Final answer
    x = 206,552,831,459.21

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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.