Home / 1,289,094,850.62-1,934,019,598.41-415,678,652.82

Finding the Fourth Proportional to 1,289,094,850.62, 1,934,019,598.41 and 415,678,652.82

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Solution

The fourth proportional to 1,289,094,850.62, 1,934,019,598.41 and 415,678,652.82 is: 623,639,649.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,094,850.62 : 1,934,019,598.41 = 415,678,652.82 : x
  2. Step 2: Convert to fraction form
    1,289,094,850.62/1,934,019,598.41 = 415,678,652.82/x
  3. Step 3: Cross multiply
    1,289,094,850.62x = 1,934,019,598.41 × 415,678,652.82
  4. Step 4: Simplify right side
    1,289,094,850.62x = 803,930,661,194,546,176
  5. Step 5: Solve for x
    x = 803,930,661,194,546,176/1,289,094,850.62
  6. Step 6: Final answer
    x = 623,639,649.80

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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.