Home / 256,175,996,618.58-384,186,630,404.27-77,054,433,340.38

Finding the Fourth Proportional to 256,175,996,618.58, 384,186,630,404.27 and 77,054,433,340.38

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Solution

The fourth proportional to 256,175,996,618.58, 384,186,630,404.27 and 77,054,433,340.38 is: 115,558,379,760.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,175,996,618.58 : 384,186,630,404.27 = 77,054,433,340.38 : x
  2. Step 2: Convert to fraction form
    256,175,996,618.58/384,186,630,404.27 = 77,054,433,340.38/x
  3. Step 3: Cross multiply
    256,175,996,618.58x = 384,186,630,404.27 × 77,054,433,340.38
  4. Step 4: Simplify right side
    256,175,996,618.58x = 29,603,283,102,749,113,188,352
  5. Step 5: Solve for x
    x = 29,603,283,102,749,113,188,352/256,175,996,618.58
  6. Step 6: Final answer
    x = 115,558,379,760.40

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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.