Home / 398,544,000.40-597,816,000.60-289,704,883.60

Finding the Fourth Proportional to 398,544,000.40, 597,816,000.60 and 289,704,883.60

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Solution

The fourth proportional to 398,544,000.40, 597,816,000.60 and 289,704,883.60 is: 434,557,325.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,544,000.40 : 597,816,000.60 = 289,704,883.60 : x
  2. Step 2: Convert to fraction form
    398,544,000.40/597,816,000.60 = 289,704,883.60/x
  3. Step 3: Cross multiply
    398,544,000.40x = 597,816,000.60 × 289,704,883.60
  4. Step 4: Simplify right side
    398,544,000.40x = 173,190,214,868,040,544
  5. Step 5: Solve for x
    x = 173,190,214,868,040,544/398,544,000.40
  6. Step 6: Final answer
    x = 434,557,325.40

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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.