Finding the Fourth Proportional to 2,114,573,991.49, 2,917,941,276.16 and 1,222,558,202.94
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Solution
The fourth proportional to 2,114,573,991.49, 2,917,941,276.16 and 1,222,558,202.94 is: 1,687,031,552.08
Step by Step Solution
- Step 1: Write the proportion equation
2,114,573,991.49 : 2,917,941,276.16 = 1,222,558,202.94 : x - Step 2: Convert to fraction form
2,114,573,991.49/2,917,941,276.16 = 1,222,558,202.94/x - Step 3: Cross multiply
2,114,573,991.49x = 2,917,941,276.16 × 1,222,558,202.94 - Step 4: Simplify right side
2,114,573,991.49x = 3,567,353,042,860,507,648 - Step 5: Solve for x
x = 3,567,353,042,860,507,648/2,114,573,991.49 - Step 6: Final answer
x = 1,687,031,552.08
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.