Home / 5,390,696,170.40-8,086,044,255.60-1,512,798,749.60

Finding the Fourth Proportional to 5,390,696,170.40, 8,086,044,255.60 and 1,512,798,749.60

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Solution

The fourth proportional to 5,390,696,170.40, 8,086,044,255.60 and 1,512,798,749.60 is: 2,269,198,124.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,696,170.40 : 8,086,044,255.60 = 1,512,798,749.60 : x
  2. Step 2: Convert to fraction form
    5,390,696,170.40/8,086,044,255.60 = 1,512,798,749.60/x
  3. Step 3: Cross multiply
    5,390,696,170.40x = 8,086,044,255.60 × 1,512,798,749.60
  4. Step 4: Simplify right side
    5,390,696,170.40x = 12,232,557,639,081,943,040
  5. Step 5: Solve for x
    x = 12,232,557,639,081,943,040/5,390,696,170.40
  6. Step 6: Final answer
    x = 2,269,198,124.40

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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.