Home / 256,175,996,630.70-384,186,630,422.45-77,054,433,352.50

Finding the Fourth Proportional to 256,175,996,630.70, 384,186,630,422.45 and 77,054,433,352.50

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Solution

The fourth proportional to 256,175,996,630.70, 384,186,630,422.45 and 77,054,433,352.50 is: 115,558,379,778.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,175,996,630.70 : 384,186,630,422.45 = 77,054,433,352.50 : x
  2. Step 2: Convert to fraction form
    256,175,996,630.70/384,186,630,422.45 = 77,054,433,352.50/x
  3. Step 3: Cross multiply
    256,175,996,630.70x = 384,186,630,422.45 × 77,054,433,352.50
  4. Step 4: Simplify right side
    256,175,996,630.70x = 29,603,283,108,808,221,523,968
  5. Step 5: Solve for x
    x = 29,603,283,108,808,221,523,968/256,175,996,630.70
  6. Step 6: Final answer
    x = 115,558,379,778.59

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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.