Home / 256,175,996,610.82-384,186,630,392.67-77,054,433,332.60

Finding the Fourth Proportional to 256,175,996,610.82, 384,186,630,392.67 and 77,054,433,332.60

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Solution

The fourth proportional to 256,175,996,610.82, 384,186,630,392.67 and 77,054,433,332.60 is: 115,558,379,748.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,175,996,610.82 : 384,186,630,392.67 = 77,054,433,332.60 : x
  2. Step 2: Convert to fraction form
    256,175,996,610.82/384,186,630,392.67 = 77,054,433,332.60/x
  3. Step 3: Cross multiply
    256,175,996,610.82x = 384,186,630,392.67 × 77,054,433,332.60
  4. Step 4: Simplify right side
    256,175,996,610.82x = 29,603,283,098,869,377,794,048
  5. Step 5: Solve for x
    x = 29,603,283,098,869,377,794,048/256,175,996,610.82
  6. Step 6: Final answer
    x = 115,558,379,748.76

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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.