Home / 318,282,285.78-439,068,777.73-186,036,883.49

Finding the Fourth Proportional to 318,282,285.78, 439,068,777.73 and 186,036,883.49

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Solution

The fourth proportional to 318,282,285.78, 439,068,777.73 and 186,036,883.49 is: 256,636,924.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,282,285.78 : 439,068,777.73 = 186,036,883.49 : x
  2. Step 2: Convert to fraction form
    318,282,285.78/439,068,777.73 = 186,036,883.49/x
  3. Step 3: Cross multiply
    318,282,285.78x = 439,068,777.73 × 186,036,883.49
  4. Step 4: Simplify right side
    318,282,285.78x = 81,682,987,047,285,296
  5. Step 5: Solve for x
    x = 81,682,987,047,285,296/318,282,285.78
  6. Step 6: Final answer
    x = 256,636,924.82

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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.