Home / 5,552,447,431.39-8,328,377,816.28-1,821,247,335.81

Finding the Fourth Proportional to 5,552,447,431.39, 8,328,377,816.28 and 1,821,247,335.81

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Solution

The fourth proportional to 5,552,447,431.39, 8,328,377,816.28 and 1,821,247,335.81 is: 2,731,774,788.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,552,447,431.39 : 8,328,377,816.28 = 1,821,247,335.81 : x
  2. Step 2: Convert to fraction form
    5,552,447,431.39/8,328,377,816.28 = 1,821,247,335.81/x
  3. Step 3: Cross multiply
    5,552,447,431.39x = 8,328,377,816.28 × 1,821,247,335.81
  4. Step 4: Simplify right side
    5,552,447,431.39x = 15,168,035,909,519,054,848
  5. Step 5: Solve for x
    x = 15,168,035,909,519,054,848/5,552,447,431.39
  6. Step 6: Final answer
    x = 2,731,774,788.86

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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.