Home / 393,476,865.36-590,419,565.46-160,478,516.31

Finding the Fourth Proportional to 393,476,865.36, 590,419,565.46 and 160,478,516.31

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Solution

The fourth proportional to 393,476,865.36, 590,419,565.46 and 160,478,516.31 is: 240,801,084.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,476,865.36 : 590,419,565.46 = 160,478,516.31 : x
  2. Step 2: Convert to fraction form
    393,476,865.36/590,419,565.46 = 160,478,516.31/x
  3. Step 3: Cross multiply
    393,476,865.36x = 590,419,565.46 × 160,478,516.31
  4. Step 4: Simplify right side
    393,476,865.36x = 94,749,655,865,415,728
  5. Step 5: Solve for x
    x = 94,749,655,865,415,728/393,476,865.36
  6. Step 6: Final answer
    x = 240,801,084.40

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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.