Home / 13,707,606,577.89-18,913,664,388.72-7,913,809,584.15

Finding the Fourth Proportional to 13,707,606,577.89, 18,913,664,388.72 and 7,913,809,584.15

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Solution

The fourth proportional to 13,707,606,577.89, 18,913,664,388.72 and 7,913,809,584.15 is: 10,919,421,830.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,707,606,577.89 : 18,913,664,388.72 = 7,913,809,584.15 : x
  2. Step 2: Convert to fraction form
    13,707,606,577.89/18,913,664,388.72 = 7,913,809,584.15/x
  3. Step 3: Cross multiply
    13,707,606,577.89x = 18,913,664,388.72 × 7,913,809,584.15
  4. Step 4: Simplify right side
    13,707,606,577.89x = 149,679,138,510,759,297,024
  5. Step 5: Solve for x
    x = 149,679,138,510,759,297,024/13,707,606,577.89
  6. Step 6: Final answer
    x = 10,919,421,830.52

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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.