Finding the Fourth Proportional to 5,440,298,466.70, 8,160,447,700.05 and 1,993,278,537.10
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Solution
The fourth proportional to 5,440,298,466.70, 8,160,447,700.05 and 1,993,278,537.10 is: 2,989,917,805.65
Step by Step Solution
- Step 1: Write the proportion equation
5,440,298,466.70 : 8,160,447,700.05 = 1,993,278,537.10 : x - Step 2: Convert to fraction form
5,440,298,466.70/8,160,447,700.05 = 1,993,278,537.10/x - Step 3: Cross multiply
5,440,298,466.70x = 8,160,447,700.05 × 1,993,278,537.10 - Step 4: Simplify right side
5,440,298,466.70x = 16,266,045,253,636,722,688 - Step 5: Solve for x
x = 16,266,045,253,636,722,688/5,440,298,466.70 - Step 6: Final answer
x = 2,989,917,805.65
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1.5x scale
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.