Finding the Fourth Proportional to 19,669,696,734, 29,497,938,126.18 and 6,401,834,643.48
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Solution
The fourth proportional to 19,669,696,734, 29,497,938,126.18 and 6,401,834,643.48 is: 9,600,601,613.80
Step by Step Solution
- Step 1: Write the proportion equation
19,669,696,734 : 29,497,938,126.18 = 6,401,834,643.48 : x - Step 2: Convert to fraction form
19,669,696,734/29,497,938,126.18 = 6,401,834,643.48/x - Step 3: Cross multiply
19,669,696,734x = 29,497,938,126.18 × 6,401,834,643.48 - Step 4: Simplify right side
19,669,696,734x = 188,840,922,207,408,619,520 - Step 5: Solve for x
x = 188,840,922,207,408,619,520/19,669,696,734 - Step 6: Final answer
x = 9,600,601,613.80
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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.