Home / 780,504,548.15-1,170,289,143.29-248,486,048.93

Finding the Fourth Proportional to 780,504,548.15, 1,170,289,143.29 and 248,486,048.93

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Solution

The fourth proportional to 780,504,548.15, 1,170,289,143.29 and 248,486,048.93 is: 372,580,180.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,504,548.15 : 1,170,289,143.29 = 248,486,048.93 : x
  2. Step 2: Convert to fraction form
    780,504,548.15/1,170,289,143.29 = 248,486,048.93/x
  3. Step 3: Cross multiply
    780,504,548.15x = 1,170,289,143.29 × 248,486,048.93
  4. Step 4: Simplify right side
    780,504,548.15x = 290,800,525,314,712,896
  5. Step 5: Solve for x
    x = 290,800,525,314,712,896/780,504,548.15
  6. Step 6: Final answer
    x = 372,580,180.35

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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.