Home / 13,090,191,557.45-18,064,519,517.88-7,374,544,564.73

Finding the Fourth Proportional to 13,090,191,557.45, 18,064,519,517.88 and 7,374,544,564.73

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Solution

The fourth proportional to 13,090,191,557.45, 18,064,519,517.88 and 7,374,544,564.73 is: 10,176,902,579.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,090,191,557.45 : 18,064,519,517.88 = 7,374,544,564.73 : x
  2. Step 2: Convert to fraction form
    13,090,191,557.45/18,064,519,517.88 = 7,374,544,564.73/x
  3. Step 3: Cross multiply
    13,090,191,557.45x = 18,064,519,517.88 × 7,374,544,564.73
  4. Step 4: Simplify right side
    13,090,191,557.45x = 133,217,604,224,950,648,832
  5. Step 5: Solve for x
    x = 133,217,604,224,950,648,832/13,090,191,557.45
  6. Step 6: Final answer
    x = 10,176,902,579.34

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Double scale
Find fourth proportional to 13,090,191,558.45, 18,064,519,519.26 and 7,374,544,565.73
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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.