Home / 678,467,216.16-1,017,759,442.77-187,180,486.47

Finding the Fourth Proportional to 678,467,216.16, 1,017,759,442.77 and 187,180,486.47

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Solution

The fourth proportional to 678,467,216.16, 1,017,759,442.77 and 187,180,486.47 is: 280,786,901.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,467,216.16 : 1,017,759,442.77 = 187,180,486.47 : x
  2. Step 2: Convert to fraction form
    678,467,216.16/1,017,759,442.77 = 187,180,486.47/x
  3. Step 3: Cross multiply
    678,467,216.16x = 1,017,759,442.77 × 187,180,486.47
  4. Step 4: Simplify right side
    678,467,216.16x = 190,504,707,607,124,704
  5. Step 5: Solve for x
    x = 190,504,707,607,124,704/678,467,216.16
  6. Step 6: Final answer
    x = 280,786,901.81

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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.