Home / 8,269,886,837.94-11,413,408,671.96-4,702,128,321.84

Finding the Fourth Proportional to 8,269,886,837.94, 11,413,408,671.96 and 4,702,128,321.84

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Solution

The fourth proportional to 8,269,886,837.94, 11,413,408,671.96 and 4,702,128,321.84 is: 6,489,485,674.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,269,886,837.94 : 11,413,408,671.96 = 4,702,128,321.84 : x
  2. Step 2: Convert to fraction form
    8,269,886,837.94/11,413,408,671.96 = 4,702,128,321.84/x
  3. Step 3: Cross multiply
    8,269,886,837.94x = 11,413,408,671.96 × 4,702,128,321.84
  4. Step 4: Simplify right side
    8,269,886,837.94x = 53,667,312,165,157,371,904
  5. Step 5: Solve for x
    x = 53,667,312,165,157,371,904/8,269,886,837.94
  6. Step 6: Final answer
    x = 6,489,485,674.57

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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.