Finding the Fourth Proportional to 1,848,905,823.49, 2,771,622,665.37 and 621,215,702.53
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Solution
The fourth proportional to 1,848,905,823.49, 2,771,622,665.37 and 621,215,702.53 is: 931,240,249.96
Step by Step Solution
- Step 1: Write the proportion equation
1,848,905,823.49 : 2,771,622,665.37 = 621,215,702.53 : x - Step 2: Convert to fraction form
1,848,905,823.49/2,771,622,665.37 = 621,215,702.53/x - Step 3: Cross multiply
1,848,905,823.49x = 2,771,622,665.37 × 621,215,702.53 - Step 4: Simplify right side
1,848,905,823.49x = 1,721,775,521,215,895,552 - Step 5: Solve for x
x = 1,721,775,521,215,895,552/1,848,905,823.49 - Step 6: Final answer
x = 931,240,249.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.