Home / 15,902,029,957.70-21,945,783,153.39-8,765,427,673.46

Finding the Fourth Proportional to 15,902,029,957.70, 21,945,783,153.39 and 8,765,427,673.46

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Solution

The fourth proportional to 15,902,029,957.70, 21,945,783,153.39 and 8,765,427,673.46 is: 12,096,831,378.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,902,029,957.70 : 21,945,783,153.39 = 8,765,427,673.46 : x
  2. Step 2: Convert to fraction form
    15,902,029,957.70/21,945,783,153.39 = 8,765,427,673.46/x
  3. Step 3: Cross multiply
    15,902,029,957.70x = 21,945,783,153.39 × 8,765,427,673.46
  4. Step 4: Simplify right side
    15,902,029,957.70x = 192,364,174,968,487,968,768
  5. Step 5: Solve for x
    x = 192,364,174,968,487,968,768/15,902,029,957.70
  6. Step 6: Final answer
    x = 12,096,831,378.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.