Home / 8,269,886,837.40-11,413,408,671.17-4,702,128,321.27

Finding the Fourth Proportional to 8,269,886,837.40, 11,413,408,671.17 and 4,702,128,321.27

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Solution

The fourth proportional to 8,269,886,837.40, 11,413,408,671.17 and 4,702,128,321.27 is: 6,489,485,673.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,269,886,837.40 : 11,413,408,671.17 = 4,702,128,321.27 : x
  2. Step 2: Convert to fraction form
    8,269,886,837.40/11,413,408,671.17 = 4,702,128,321.27/x
  3. Step 3: Cross multiply
    8,269,886,837.40x = 11,413,408,671.17 × 4,702,128,321.27
  4. Step 4: Simplify right side
    8,269,886,837.40x = 53,667,312,154,937,057,280
  5. Step 5: Solve for x
    x = 53,667,312,154,937,057,280/8,269,886,837.40
  6. Step 6: Final answer
    x = 6,489,485,673.76

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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.