Home / 4,791,072,392.03-7,180,184,714.09-3,728,777,981.78

Finding the Fourth Proportional to 4,791,072,392.03, 7,180,184,714.09 and 3,728,777,981.78

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Solution

The fourth proportional to 4,791,072,392.03, 7,180,184,714.09 and 3,728,777,981.78 is: 5,588,167,423.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,791,072,392.03 : 7,180,184,714.09 = 3,728,777,981.78 : x
  2. Step 2: Convert to fraction form
    4,791,072,392.03/7,180,184,714.09 = 3,728,777,981.78/x
  3. Step 3: Cross multiply
    4,791,072,392.03x = 7,180,184,714.09 × 3,728,777,981.78
  4. Step 4: Simplify right side
    4,791,072,392.03x = 26,773,314,666,957,574,144
  5. Step 5: Solve for x
    x = 26,773,314,666,957,574,144/4,791,072,392.03
  6. Step 6: Final answer
    x = 5,588,167,423.96

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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.