Home / 631,076,232.68-946,661,944.80-188,383,960.16

Finding the Fourth Proportional to 631,076,232.68, 946,661,944.80 and 188,383,960.16

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Solution

The fourth proportional to 631,076,232.68, 946,661,944.80 and 188,383,960.16 is: 282,590,148.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,076,232.68 : 946,661,944.80 = 188,383,960.16 : x
  2. Step 2: Convert to fraction form
    631,076,232.68/946,661,944.80 = 188,383,960.16/x
  3. Step 3: Cross multiply
    631,076,232.68x = 946,661,944.80 × 188,383,960.16
  4. Step 4: Simplify right side
    631,076,232.68x = 178,335,926,094,191,296
  5. Step 5: Solve for x
    x = 178,335,926,094,191,296/631,076,232.68
  6. Step 6: Final answer
    x = 282,590,148.16

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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.