Home / 394,904,138.40-592,356,207.60-190,830,794.40

Finding the Fourth Proportional to 394,904,138.40, 592,356,207.60 and 190,830,794.40

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Solution

The fourth proportional to 394,904,138.40, 592,356,207.60 and 190,830,794.40 is: 286,246,191.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,904,138.40 : 592,356,207.60 = 190,830,794.40 : x
  2. Step 2: Convert to fraction form
    394,904,138.40/592,356,207.60 = 190,830,794.40/x
  3. Step 3: Cross multiply
    394,904,138.40x = 592,356,207.60 × 190,830,794.40
  4. Step 4: Simplify right side
    394,904,138.40x = 113,039,805,664,079,328
  5. Step 5: Solve for x
    x = 113,039,805,664,079,328/394,904,138.40
  6. Step 6: Final answer
    x = 286,246,191.60

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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.