Home / 3,889,908,961.80-5,831,593,751.82-3,151,146,824.40

Finding the Fourth Proportional to 3,889,908,961.80, 5,831,593,751.82 and 3,151,146,824.40

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Solution

The fourth proportional to 3,889,908,961.80, 5,831,593,751.82 and 3,151,146,824.40 is: 4,724,071,517.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889,908,961.80 : 5,831,593,751.82 = 3,151,146,824.40 : x
  2. Step 2: Convert to fraction form
    3,889,908,961.80/5,831,593,751.82 = 3,151,146,824.40/x
  3. Step 3: Cross multiply
    3,889,908,961.80x = 5,831,593,751.82 × 3,151,146,824.40
  4. Step 4: Simplify right side
    3,889,908,961.80x = 18,376,208,132,238,475,264
  5. Step 5: Solve for x
    x = 18,376,208,132,238,475,264/3,889,908,961.80
  6. Step 6: Final answer
    x = 4,724,071,517.53

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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.