Home / 290,872,139.20-436,308,208.80-233,476,511.20

Finding the Fourth Proportional to 290,872,139.20, 436,308,208.80 and 233,476,511.20

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Solution

The fourth proportional to 290,872,139.20, 436,308,208.80 and 233,476,511.20 is: 350,214,766.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,872,139.20 : 436,308,208.80 = 233,476,511.20 : x
  2. Step 2: Convert to fraction form
    290,872,139.20/436,308,208.80 = 233,476,511.20/x
  3. Step 3: Cross multiply
    290,872,139.20x = 436,308,208.80 × 233,476,511.20
  4. Step 4: Simplify right side
    290,872,139.20x = 101,867,718,398,545,136
  5. Step 5: Solve for x
    x = 101,867,718,398,545,136/290,872,139.20
  6. Step 6: Final answer
    x = 350,214,766.80

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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.