Home / 13,193,463,612.41-18,206,850,436.31-7,171,610,729.39

Finding the Fourth Proportional to 13,193,463,612.41, 18,206,850,436.31 and 7,171,610,729.39

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Solution

The fourth proportional to 13,193,463,612.41, 18,206,850,436.31 and 7,171,610,729.39 is: 9,896,752,496.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,193,463,612.41 : 18,206,850,436.31 = 7,171,610,729.39 : x
  2. Step 2: Convert to fraction form
    13,193,463,612.41/18,206,850,436.31 = 7,171,610,729.39/x
  3. Step 3: Cross multiply
    13,193,463,612.41x = 18,206,850,436.31 × 7,171,610,729.39
  4. Step 4: Simplify right side
    13,193,463,612.41x = 130,572,443,937,363,116,032
  5. Step 5: Solve for x
    x = 130,572,443,937,363,116,032/13,193,463,612.41
  6. Step 6: Final answer
    x = 9,896,752,496.03

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Double scale
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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.