Home / 202,911,652,512.45-280,018,734,777.36-112,691,106,136.58

Finding the Fourth Proportional to 202,911,652,512.45, 280,018,734,777.36 and 112,691,106,136.58

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Solution

The fourth proportional to 202,911,652,512.45, 280,018,734,777.36 and 112,691,106,136.58 is: 155,514,089,852.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,911,652,512.45 : 280,018,734,777.36 = 112,691,106,136.58 : x
  2. Step 2: Convert to fraction form
    202,911,652,512.45/280,018,734,777.36 = 112,691,106,136.58/x
  3. Step 3: Cross multiply
    202,911,652,512.45x = 280,018,734,777.36 × 112,691,106,136.58
  4. Step 4: Simplify right side
    202,911,652,512.45x = 31,555,620,961,026,318,532,608
  5. Step 5: Solve for x
    x = 31,555,620,961,026,318,532,608/202,911,652,512.45
  6. Step 6: Final answer
    x = 155,514,089,852.92

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1.5x scale

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.