Home / 256,175,996,604.45-384,186,630,383.10-77,054,433,326.24

Finding the Fourth Proportional to 256,175,996,604.45, 384,186,630,383.10 and 77,054,433,326.24

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Solution

The fourth proportional to 256,175,996,604.45, 384,186,630,383.10 and 77,054,433,326.24 is: 115,558,379,739.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,175,996,604.45 : 384,186,630,383.10 = 77,054,433,326.24 : x
  2. Step 2: Convert to fraction form
    256,175,996,604.45/384,186,630,383.10 = 77,054,433,326.24/x
  3. Step 3: Cross multiply
    256,175,996,604.45x = 384,186,630,383.10 × 77,054,433,326.24
  4. Step 4: Simplify right side
    256,175,996,604.45x = 29,603,283,095,685,469,044,736
  5. Step 5: Solve for x
    x = 29,603,283,095,685,469,044,736/256,175,996,604.45
  6. Step 6: Final answer
    x = 115,558,379,739.20

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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.