Finding the Fourth Proportional to 818,744,943.09, 1,130,413,406.10 and 484,324,898.97
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Solution
The fourth proportional to 818,744,943.09, 1,130,413,406.10 and 484,324,898.97 is: 668,690,980.41
Step by Step Solution
- Step 1: Write the proportion equation
818,744,943.09 : 1,130,413,406.10 = 484,324,898.97 : x - Step 2: Convert to fraction form
818,744,943.09/1,130,413,406.10 = 484,324,898.97/x - Step 3: Cross multiply
818,744,943.09x = 1,130,413,406.10 × 484,324,898.97 - Step 4: Simplify right side
818,744,943.09x = 547,487,358,703,716,096 - Step 5: Solve for x
x = 547,487,358,703,716,096/818,744,943.09 - Step 6: Final answer
x = 668,690,980.41
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1.5x scale
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.