Finding the Fourth Proportional to 1,827,277,559.63, 2,521,646,228.81 and 991,902,696.11
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Solution
The fourth proportional to 1,827,277,559.63, 2,521,646,228.81 and 991,902,696.11 is: 1,368,827,455.80
Step by Step Solution
- Step 1: Write the proportion equation
1,827,277,559.63 : 2,521,646,228.81 = 991,902,696.11 : x - Step 2: Convert to fraction form
1,827,277,559.63/2,521,646,228.81 = 991,902,696.11/x - Step 3: Cross multiply
1,827,277,559.63x = 2,521,646,228.81 × 991,902,696.11 - Step 4: Simplify right side
1,827,277,559.63x = 2,501,227,692,991,580,672 - Step 5: Solve for x
x = 2,501,227,692,991,580,672/1,827,277,559.63 - Step 6: Final answer
x = 1,368,827,455.80
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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.