Home / 11,689,355,971.80-17,532,262,331.21-3,181,401,740.89

Finding the Fourth Proportional to 11,689,355,971.80, 17,532,262,331.21 and 3,181,401,740.89

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Solution

The fourth proportional to 11,689,355,971.80, 17,532,262,331.21 and 3,181,401,740.89 is: 4,771,620,441.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,689,355,971.80 : 17,532,262,331.21 = 3,181,401,740.89 : x
  2. Step 2: Convert to fraction form
    11,689,355,971.80/17,532,262,331.21 = 3,181,401,740.89/x
  3. Step 3: Cross multiply
    11,689,355,971.80x = 17,532,262,331.21 × 3,181,401,740.89
  4. Step 4: Simplify right side
    11,689,355,971.80x = 55,777,169,902,262,640,640
  5. Step 5: Solve for x
    x = 55,777,169,902,262,640,640/11,689,355,971.80
  6. Step 6: Final answer
    x = 4,771,620,441.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.