Home / 408,855,017.80-613,282,526.70-245,596,342.60

Finding the Fourth Proportional to 408,855,017.80, 613,282,526.70 and 245,596,342.60

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Solution

The fourth proportional to 408,855,017.80, 613,282,526.70 and 245,596,342.60 is: 368,394,513.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,855,017.80 : 613,282,526.70 = 245,596,342.60 : x
  2. Step 2: Convert to fraction form
    408,855,017.80/613,282,526.70 = 245,596,342.60/x
  3. Step 3: Cross multiply
    408,855,017.80x = 613,282,526.70 × 245,596,342.60
  4. Step 4: Simplify right side
    408,855,017.80x = 150,619,945,538,006,848
  5. Step 5: Solve for x
    x = 150,619,945,538,006,848/408,855,017.80
  6. Step 6: Final answer
    x = 368,394,513.90

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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.