Home / 3,889,908,946.65-5,831,593,729.20-3,151,146,809.22

Finding the Fourth Proportional to 3,889,908,946.65, 5,831,593,729.20 and 3,151,146,809.22

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Solution

The fourth proportional to 3,889,908,946.65, 5,831,593,729.20 and 3,151,146,809.22 is: 4,724,071,494.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889,908,946.65 : 5,831,593,729.20 = 3,151,146,809.22 : x
  2. Step 2: Convert to fraction form
    3,889,908,946.65/5,831,593,729.20 = 3,151,146,809.22/x
  3. Step 3: Cross multiply
    3,889,908,946.65x = 5,831,593,729.20 × 3,151,146,809.22
  4. Step 4: Simplify right side
    3,889,908,946.65x = 18,376,207,972,435,939,328
  5. Step 5: Solve for x
    x = 18,376,207,972,435,939,328/3,889,908,946.65
  6. Step 6: Final answer
    x = 4,724,071,494.85

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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.