Home / 470,783,094.98-649,770,616.06-311,732,685.14

Finding the Fourth Proportional to 470,783,094.98, 649,770,616.06 and 311,732,685.14

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Solution

The fourth proportional to 470,783,094.98, 649,770,616.06 and 311,732,685.14 is: 430,250,663.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,783,094.98 : 649,770,616.06 = 311,732,685.14 : x
  2. Step 2: Convert to fraction form
    470,783,094.98/649,770,616.06 = 311,732,685.14/x
  3. Step 3: Cross multiply
    470,783,094.98x = 649,770,616.06 × 311,732,685.14
  4. Step 4: Simplify right side
    470,783,094.98x = 202,554,738,865,427,616
  5. Step 5: Solve for x
    x = 202,554,738,865,427,616/470,783,094.98
  6. Step 6: Final answer
    x = 430,250,663.26

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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.