Home / 256,175,996,603.95-384,186,630,382.35-77,054,433,325.73

Finding the Fourth Proportional to 256,175,996,603.95, 384,186,630,382.35 and 77,054,433,325.73

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Solution

The fourth proportional to 256,175,996,603.95, 384,186,630,382.35 and 77,054,433,325.73 is: 115,558,379,738.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,175,996,603.95 : 384,186,630,382.35 = 77,054,433,325.73 : x
  2. Step 2: Convert to fraction form
    256,175,996,603.95/384,186,630,382.35 = 77,054,433,325.73/x
  3. Step 3: Cross multiply
    256,175,996,603.95x = 384,186,630,382.35 × 77,054,433,325.73
  4. Step 4: Simplify right side
    256,175,996,603.95x = 29,603,283,095,433,659,809,792
  5. Step 5: Solve for x
    x = 29,603,283,095,433,659,809,792/256,175,996,603.95
  6. Step 6: Final answer
    x = 115,558,379,738.44

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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.