Finding the Fourth Proportional to 722,278,744.84, 1,081,578,903.57 and 475,888,393.81
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Solution
The fourth proportional to 722,278,744.84, 1,081,578,903.57 and 475,888,393.81 is: 712,620,786.46
Step by Step Solution
- Step 1: Write the proportion equation
722,278,744.84 : 1,081,578,903.57 = 475,888,393.81 : x - Step 2: Convert to fraction form
722,278,744.84/1,081,578,903.57 = 475,888,393.81/x - Step 3: Cross multiply
722,278,744.84x = 1,081,578,903.57 × 475,888,393.81 - Step 4: Simplify right side
722,278,744.84x = 514,710,847,193,981,696 - Step 5: Solve for x
x = 514,710,847,193,981,696/722,278,744.84 - Step 6: Final answer
x = 712,620,786.46
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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.