Home / 7,669,670,712.35-11,494,335,616.38-3,938,811,403.28

Finding the Fourth Proportional to 7,669,670,712.35, 11,494,335,616.38 and 3,938,811,403.28

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Solution

The fourth proportional to 7,669,670,712.35, 11,494,335,616.38 and 3,938,811,403.28 is: 5,902,994,000.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,669,670,712.35 : 11,494,335,616.38 = 3,938,811,403.28 : x
  2. Step 2: Convert to fraction form
    7,669,670,712.35/11,494,335,616.38 = 3,938,811,403.28/x
  3. Step 3: Cross multiply
    7,669,670,712.35x = 11,494,335,616.38 × 3,938,811,403.28
  4. Step 4: Simplify right side
    7,669,670,712.35x = 45,274,020,198,867,517,440
  5. Step 5: Solve for x
    x = 45,274,020,198,867,517,440/7,669,670,712.35
  6. Step 6: Final answer
    x = 5,902,994,000.25

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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.