Home / 256,175,996,604.07-384,186,630,382.54-77,054,433,325.85

Finding the Fourth Proportional to 256,175,996,604.07, 384,186,630,382.54 and 77,054,433,325.85

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Solution

The fourth proportional to 256,175,996,604.07, 384,186,630,382.54 and 77,054,433,325.85 is: 115,558,379,738.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,175,996,604.07 : 384,186,630,382.54 = 77,054,433,325.85 : x
  2. Step 2: Convert to fraction form
    256,175,996,604.07/384,186,630,382.54 = 77,054,433,325.85/x
  3. Step 3: Cross multiply
    256,175,996,604.07x = 384,186,630,382.54 × 77,054,433,325.85
  4. Step 4: Simplify right side
    256,175,996,604.07x = 29,603,283,095,495,555,153,920
  5. Step 5: Solve for x
    x = 29,603,283,095,495,555,153,920/256,175,996,604.07
  6. Step 6: Final answer
    x = 115,558,379,738.63

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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.