Home / 3,489,180,389.88-4,815,099,667.91-1,903,279,401.12

Finding the Fourth Proportional to 3,489,180,389.88, 4,815,099,667.91 and 1,903,279,401.12

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Solution

The fourth proportional to 3,489,180,389.88, 4,815,099,667.91 and 1,903,279,401.12 is: 2,626,542,336.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,489,180,389.88 : 4,815,099,667.91 = 1,903,279,401.12 : x
  2. Step 2: Convert to fraction form
    3,489,180,389.88/4,815,099,667.91 = 1,903,279,401.12/x
  3. Step 3: Cross multiply
    3,489,180,389.88x = 4,815,099,667.91 × 1,903,279,401.12
  4. Step 4: Simplify right side
    3,489,180,389.88x = 9,164,480,012,295,430,144
  5. Step 5: Solve for x
    x = 9,164,480,012,295,430,144/3,489,180,389.88
  6. Step 6: Final answer
    x = 2,626,542,336.10

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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.