Finding the Fourth Proportional to 626,292,728,369.84, 939,054,623,556 and 243,389,718,824.96
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Solution
The fourth proportional to 626,292,728,369.84, 939,054,623,556 and 243,389,718,824.96 is: 364,935,165,994.15
Step by Step Solution
- Step 1: Write the proportion equation
626,292,728,369.84 : 939,054,623,556 = 243,389,718,824.96 : x - Step 2: Convert to fraction form
626,292,728,369.84/939,054,623,556 = 243,389,718,824.96/x - Step 3: Cross multiply
626,292,728,369.84x = 939,054,623,556 × 243,389,718,824.96 - Step 4: Simplify right side
626,292,728,369.84x = 228,556,240,788,573,481,074,688 - Step 5: Solve for x
x = 228,556,240,788,573,481,074,688/626,292,728,369.84 - Step 6: Final answer
x = 364,935,165,994.15
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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.