Finding the Fourth Proportional to 3,792,779,760.78, 5,686,583,848.29 and 1,923,821,588.09
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Solution
The fourth proportional to 3,792,779,760.78, 5,686,583,848.29 and 1,923,821,588.09 is: 2,884,420,783.65
Step by Step Solution
- Step 1: Write the proportion equation
3,792,779,760.78 : 5,686,583,848.29 = 1,923,821,588.09 : x - Step 2: Convert to fraction form
3,792,779,760.78/5,686,583,848.29 = 1,923,821,588.09/x - Step 3: Cross multiply
3,792,779,760.78x = 5,686,583,848.29 × 1,923,821,588.09 - Step 4: Simplify right side
3,792,779,760.78x = 10,939,972,769,795,778,560 - Step 5: Solve for x
x = 10,939,972,769,795,778,560/3,792,779,760.78 - Step 6: Final answer
x = 2,884,420,783.65
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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.