Finding the Fourth Proportional to 1,051,702,089.75, 1,451,391,617.84 and 581,795,309.07
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Solution
The fourth proportional to 1,051,702,089.75, 1,451,391,617.84 and 581,795,309.07 is: 802,901,166.70
Step by Step Solution
- Step 1: Write the proportion equation
1,051,702,089.75 : 1,451,391,617.84 = 581,795,309.07 : x - Step 2: Convert to fraction form
1,051,702,089.75/1,451,391,617.84 = 581,795,309.07/x - Step 3: Cross multiply
1,051,702,089.75x = 1,451,391,617.84 × 581,795,309.07 - Step 4: Simplify right side
1,051,702,089.75x = 844,412,834,879,921,280 - Step 5: Solve for x
x = 844,412,834,879,921,280/1,051,702,089.75 - Step 6: Final answer
x = 802,901,166.70
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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.