Finding the Fourth Proportional to 1,680,837,325.48, 2,521,347,941.58 and 698,363,201.44
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Solution
The fourth proportional to 1,680,837,325.48, 2,521,347,941.58 and 698,363,201.44 is: 1,047,583,007.43
Step by Step Solution
- Step 1: Write the proportion equation
1,680,837,325.48 : 2,521,347,941.58 = 698,363,201.44 : x - Step 2: Convert to fraction form
1,680,837,325.48/2,521,347,941.58 = 698,363,201.44/x - Step 3: Cross multiply
1,680,837,325.48x = 2,521,347,941.58 × 698,363,201.44 - Step 4: Simplify right side
1,680,837,325.48x = 1,760,816,620,425,963,008 - Step 5: Solve for x
x = 1,760,816,620,425,963,008/1,680,837,325.48 - Step 6: Final answer
x = 1,047,583,007.43
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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.