Finding the Fourth Proportional to 902,031,520,845.60, 1,244,827,090,936.80 and 490,524,067,035.31
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Solution
The fourth proportional to 902,031,520,845.60, 1,244,827,090,936.80 and 490,524,067,035.31 is: 676,936,041,913.08
Step by Step Solution
- Step 1: Write the proportion equation
902,031,520,845.60 : 1,244,827,090,936.80 = 490,524,067,035.31 : x - Step 2: Convert to fraction form
902,031,520,845.60/1,244,827,090,936.80 = 490,524,067,035.31/x - Step 3: Cross multiply
902,031,520,845.60x = 1,244,827,090,936.80 × 490,524,067,035.31 - Step 4: Simplify right side
902,031,520,845.60x = 610,617,647,402,052,778,721,280 - Step 5: Solve for x
x = 610,617,647,402,052,778,721,280/902,031,520,845.60 - Step 6: Final answer
x = 676,936,041,913.08
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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.