Finding the Fourth Proportional to 6,649,394,732.80, 9,967,513,603.20 and 3,149,648,857.60
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Solution
The fourth proportional to 6,649,394,732.80, 9,967,513,603.20 and 3,149,648,857.60 is: 4,721,357,220.47
Step by Step Solution
- Step 1: Write the proportion equation
6,649,394,732.80 : 9,967,513,603.20 = 3,149,648,857.60 : x - Step 2: Convert to fraction form
6,649,394,732.80/9,967,513,603.20 = 3,149,648,857.60/x - Step 3: Cross multiply
6,649,394,732.80x = 9,967,513,603.20 × 3,149,648,857.60 - Step 4: Simplify right side
6,649,394,732.80x = 31,394,167,833,431,343,104 - Step 5: Solve for x
x = 31,394,167,833,431,343,104/6,649,394,732.80 - Step 6: Final answer
x = 4,721,357,220.47
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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.