Home / 13,384,184,209.78-18,470,072,044.65-7,362,559,956.82

Finding the Fourth Proportional to 13,384,184,209.78, 18,470,072,044.65 and 7,362,559,956.82

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Solution

The fourth proportional to 13,384,184,209.78, 18,470,072,044.65 and 7,362,559,956.82 is: 10,160,276,540.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,384,184,209.78 : 18,470,072,044.65 = 7,362,559,956.82 : x
  2. Step 2: Convert to fraction form
    13,384,184,209.78/18,470,072,044.65 = 7,362,559,956.82/x
  3. Step 3: Cross multiply
    13,384,184,209.78x = 18,470,072,044.65 × 7,362,559,956.82
  4. Step 4: Simplify right side
    13,384,184,209.78x = 135,987,012,835,520,593,920
  5. Step 5: Solve for x
    x = 135,987,012,835,520,593,920/13,384,184,209.78
  6. Step 6: Final answer
    x = 10,160,276,540.14

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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.