Home / 451,904,069.82-678,117,627.26-189,565,126.54

Finding the Fourth Proportional to 451,904,069.82, 678,117,627.26 and 189,565,126.54

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Solution

The fourth proportional to 451,904,069.82, 678,117,627.26 and 189,565,126.54 is: 284,457,393.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,904,069.82 : 678,117,627.26 = 189,565,126.54 : x
  2. Step 2: Convert to fraction form
    451,904,069.82/678,117,627.26 = 189,565,126.54/x
  3. Step 3: Cross multiply
    451,904,069.82x = 678,117,627.26 × 189,565,126.54
  4. Step 4: Simplify right side
    451,904,069.82x = 128,547,453,818,614,192
  5. Step 5: Solve for x
    x = 128,547,453,818,614,192/451,904,069.82
  6. Step 6: Final answer
    x = 284,457,393.51

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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.