Home / 8,269,886,834.89-11,413,408,667.72-4,702,128,318.77

Finding the Fourth Proportional to 8,269,886,834.89, 11,413,408,667.72 and 4,702,128,318.77

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Solution

The fourth proportional to 8,269,886,834.89, 11,413,408,667.72 and 4,702,128,318.77 is: 6,489,485,670.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,269,886,834.89 : 11,413,408,667.72 = 4,702,128,318.77 : x
  2. Step 2: Convert to fraction form
    8,269,886,834.89/11,413,408,667.72 = 4,702,128,318.77/x
  3. Step 3: Cross multiply
    8,269,886,834.89x = 11,413,408,667.72 × 4,702,128,318.77
  4. Step 4: Simplify right side
    8,269,886,834.89x = 53,667,312,110,100,619,264
  5. Step 5: Solve for x
    x = 53,667,312,110,100,619,264/8,269,886,834.89
  6. Step 6: Final answer
    x = 6,489,485,670.31

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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.