Home / 355,085,075.44-489,996,260.04-196,305,685.15

Finding the Fourth Proportional to 355,085,075.44, 489,996,260.04 and 196,305,685.15

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Solution

The fourth proportional to 355,085,075.44, 489,996,260.04 and 196,305,685.15 is: 270,890,156.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,085,075.44 : 489,996,260.04 = 196,305,685.15 : x
  2. Step 2: Convert to fraction form
    355,085,075.44/489,996,260.04 = 196,305,685.15/x
  3. Step 3: Cross multiply
    355,085,075.44x = 489,996,260.04 × 196,305,685.15
  4. Step 4: Simplify right side
    355,085,075.44x = 96,189,051,548,089,776
  5. Step 5: Solve for x
    x = 96,189,051,548,089,776/355,085,075.44
  6. Step 6: Final answer
    x = 270,890,156.19

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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.