Home / 356,740,923,857.51-492,312,928,996.68-194,171,099,381.64

Finding the Fourth Proportional to 356,740,923,857.51, 492,312,928,996.68 and 194,171,099,381.64

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Solution

The fourth proportional to 356,740,923,857.51, 492,312,928,996.68 and 194,171,099,381.64 is: 267,961,807,211.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,740,923,857.51 : 492,312,928,996.68 = 194,171,099,381.64 : x
  2. Step 2: Convert to fraction form
    356,740,923,857.51/492,312,928,996.68 = 194,171,099,381.64/x
  3. Step 3: Cross multiply
    356,740,923,857.51x = 492,312,928,996.68 × 194,171,099,381.64
  4. Step 4: Simplify right side
    356,740,923,857.51x = 95,592,942,663,080,639,201,280
  5. Step 5: Solve for x
    x = 95,592,942,663,080,639,201,280/356,740,923,857.51
  6. Step 6: Final answer
    x = 267,961,807,211.28

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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.