Finding the Fourth Proportional to 1,976,892,513.90, 2,728,153,346.99 and 1,084,811,437.32
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Solution
The fourth proportional to 1,976,892,513.90, 2,728,153,346.99 and 1,084,811,437.32 is: 1,497,062,654.02
Step by Step Solution
- Step 1: Write the proportion equation
1,976,892,513.90 : 2,728,153,346.99 = 1,084,811,437.32 : x - Step 2: Convert to fraction form
1,976,892,513.90/2,728,153,346.99 = 1,084,811,437.32/x - Step 3: Cross multiply
1,976,892,513.90x = 2,728,153,346.99 × 1,084,811,437.32 - Step 4: Simplify right side
1,976,892,513.90x = 2,959,531,953,572,166,656 - Step 5: Solve for x
x = 2,959,531,953,572,166,656/1,976,892,513.90 - Step 6: Final answer
x = 1,497,062,654.02
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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.