Finding the Fourth Proportional to 1,790,223,604.05, 2,470,397,258.84 and 986,406,119.06
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Solution
The fourth proportional to 1,790,223,604.05, 2,470,397,258.84 and 986,406,119.06 is: 1,361,179,110.32
Step by Step Solution
- Step 1: Write the proportion equation
1,790,223,604.05 : 2,470,397,258.84 = 986,406,119.06 : x - Step 2: Convert to fraction form
1,790,223,604.05/2,470,397,258.84 = 986,406,119.06/x - Step 3: Cross multiply
1,790,223,604.05x = 2,470,397,258.84 × 986,406,119.06 - Step 4: Simplify right side
1,790,223,604.05x = 2,436,814,972,637,468,672 - Step 5: Solve for x
x = 2,436,814,972,637,468,672/1,790,223,604.05 - Step 6: Final answer
x = 1,361,179,110.32
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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.