Finding the Fourth Proportional to 1,671,690,109.24, 2,306,795,226.21 and 984,145,302.94
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Solution
The fourth proportional to 1,671,690,109.24, 2,306,795,226.21 and 984,145,302.94 is: 1,358,039,791.09
Step by Step Solution
- Step 1: Write the proportion equation
1,671,690,109.24 : 2,306,795,226.21 = 984,145,302.94 : x - Step 2: Convert to fraction form
1,671,690,109.24/2,306,795,226.21 = 984,145,302.94/x - Step 3: Cross multiply
1,671,690,109.24x = 2,306,795,226.21 × 984,145,302.94 - Step 4: Simplify right side
1,671,690,109.24x = 2,270,221,686,718,986,496 - Step 5: Solve for x
x = 2,270,221,686,718,986,496/1,671,690,109.24 - Step 6: Final answer
x = 1,358,039,791.09
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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.