Home / 936,923,658.70-1,291,340,800.46-623,097,119.38

Finding the Fourth Proportional to 936,923,658.70, 1,291,340,800.46 and 623,097,119.38

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Solution

The fourth proportional to 936,923,658.70, 1,291,340,800.46 and 623,097,119.38 is: 858,800,741.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,923,658.70 : 1,291,340,800.46 = 623,097,119.38 : x
  2. Step 2: Convert to fraction form
    936,923,658.70/1,291,340,800.46 = 623,097,119.38/x
  3. Step 3: Cross multiply
    936,923,658.70x = 1,291,340,800.46 × 623,097,119.38
  4. Step 4: Simplify right side
    936,923,658.70x = 804,630,732,904,489,344
  5. Step 5: Solve for x
    x = 804,630,732,904,489,344/936,923,658.70
  6. Step 6: Final answer
    x = 858,800,741.59

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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.