Home / 3,889,908,961.31-5,831,593,751.07-3,151,146,823.89

Finding the Fourth Proportional to 3,889,908,961.31, 5,831,593,751.07 and 3,151,146,823.89

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Solution

The fourth proportional to 3,889,908,961.31, 5,831,593,751.07 and 3,151,146,823.89 is: 4,724,071,516.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889,908,961.31 : 5,831,593,751.07 = 3,151,146,823.89 : x
  2. Step 2: Convert to fraction form
    3,889,908,961.31/5,831,593,751.07 = 3,151,146,823.89/x
  3. Step 3: Cross multiply
    3,889,908,961.31x = 5,831,593,751.07 × 3,151,146,823.89
  4. Step 4: Simplify right side
    3,889,908,961.31x = 18,376,208,126,901,000,192
  5. Step 5: Solve for x
    x = 18,376,208,126,901,000,192/3,889,908,961.31
  6. Step 6: Final answer
    x = 4,724,071,516.76

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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.