Home / 397,843,949.98-545,048,156.00-382,932,848.54

Finding the Fourth Proportional to 397,843,949.98, 545,048,156.00 and 382,932,848.54

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Solution

The fourth proportional to 397,843,949.98, 545,048,156.00 and 382,932,848.54 is: 524,619,874.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,843,949.98 : 545,048,156.00 = 382,932,848.54 : x
  2. Step 2: Convert to fraction form
    397,843,949.98/545,048,156.00 = 382,932,848.54/x
  3. Step 3: Cross multiply
    397,843,949.98x = 545,048,156.00 × 382,932,848.54
  4. Step 4: Simplify right side
    397,843,949.98x = 208,716,842,963,914,400
  5. Step 5: Solve for x
    x = 208,716,842,963,914,400/397,843,949.98
  6. Step 6: Final answer
    x = 524,619,874.13

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.