Finding the Fourth Proportional to 1,023,893,082.54, 1,412,962,394.58 and 553,984,092.99
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Solution
The fourth proportional to 1,023,893,082.54, 1,412,962,394.58 and 553,984,092.99 is: 764,492,605.66
Step by Step Solution
- Step 1: Write the proportion equation
1,023,893,082.54 : 1,412,962,394.58 = 553,984,092.99 : x - Step 2: Convert to fraction form
1,023,893,082.54/1,412,962,394.58 = 553,984,092.99/x - Step 3: Cross multiply
1,023,893,082.54x = 1,412,962,394.58 × 553,984,092.99 - Step 4: Simplify right side
1,023,893,082.54x = 782,758,690,590,379,776 - Step 5: Solve for x
x = 782,758,690,590,379,776/1,023,893,082.54 - Step 6: Final answer
x = 764,492,605.66
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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.