Finding the Fourth Proportional to 1,370,094,658.48, 1,890,737,358.96 and 743,563,805.92
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Solution
The fourth proportional to 1,370,094,658.48, 1,890,737,358.96 and 743,563,805.92 is: 1,026,121,704.75
Step by Step Solution
- Step 1: Write the proportion equation
1,370,094,658.48 : 1,890,737,358.96 = 743,563,805.92 : x - Step 2: Convert to fraction form
1,370,094,658.48/1,890,737,358.96 = 743,563,805.92/x - Step 3: Cross multiply
1,370,094,658.48x = 1,890,737,358.96 × 743,563,805.92 - Step 4: Simplify right side
1,370,094,658.48x = 1,405,883,866,623,426,816 - Step 5: Solve for x
x = 1,405,883,866,623,426,816/1,370,094,658.48 - Step 6: Final answer
x = 1,026,121,704.75
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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.