Home / 282,660,647.37-390,369,075.75-251,848,288.68

Finding the Fourth Proportional to 282,660,647.37, 390,369,075.75 and 251,848,288.68

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Solution

The fourth proportional to 282,660,647.37, 390,369,075.75 and 251,848,288.68 is: 347,815,603.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,660,647.37 : 390,369,075.75 = 251,848,288.68 : x
  2. Step 2: Convert to fraction form
    282,660,647.37/390,369,075.75 = 251,848,288.68/x
  3. Step 3: Cross multiply
    282,660,647.37x = 390,369,075.75 × 251,848,288.68
  4. Step 4: Simplify right side
    282,660,647.37x = 98,313,783,681,230,784
  5. Step 5: Solve for x
    x = 98,313,783,681,230,784/282,660,647.37
  6. Step 6: Final answer
    x = 347,815,603.61

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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.