Home / 2,975,379,189.45-4,463,714,427.57-905,047,142.96

Finding the Fourth Proportional to 2,975,379,189.45, 4,463,714,427.57 and 905,047,142.96

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Solution

The fourth proportional to 2,975,379,189.45, 4,463,714,427.57 and 905,047,142.96 is: 1,357,767,105.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975,379,189.45 : 4,463,714,427.57 = 905,047,142.96 : x
  2. Step 2: Convert to fraction form
    2,975,379,189.45/4,463,714,427.57 = 905,047,142.96/x
  3. Step 3: Cross multiply
    2,975,379,189.45x = 4,463,714,427.57 × 905,047,142.96
  4. Step 4: Simplify right side
    2,975,379,189.45x = 4,039,871,989,661,560,320
  5. Step 5: Solve for x
    x = 4,039,871,989,661,560,320/2,975,379,189.45
  6. Step 6: Final answer
    x = 1,357,767,105.45

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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.