Finding the Fourth Proportional to 1,827,277,531.66, 2,521,646,190.21 and 991,902,668.14
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Solution
The fourth proportional to 1,827,277,531.66, 2,521,646,190.21 and 991,902,668.14 is: 1,368,827,417.20
Step by Step Solution
- Step 1: Write the proportion equation
1,827,277,531.66 : 2,521,646,190.21 = 991,902,668.14 : x - Step 2: Convert to fraction form
1,827,277,531.66/2,521,646,190.21 = 991,902,668.14/x - Step 3: Cross multiply
1,827,277,531.66x = 2,521,646,190.21 × 991,902,668.14 - Step 4: Simplify right side
1,827,277,531.66x = 2,501,227,584,174,365,184 - Step 5: Solve for x
x = 2,501,227,584,174,365,184/1,827,277,531.66 - Step 6: Final answer
x = 1,368,827,417.20
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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.