Finding the Fourth Proportional to 2,136,993,805.80, 3,205,490,708.70 and 1,048,602,637.80
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Solution
The fourth proportional to 2,136,993,805.80, 3,205,490,708.70 and 1,048,602,637.80 is: 1,572,903,956.70
Step by Step Solution
- Step 1: Write the proportion equation
2,136,993,805.80 : 3,205,490,708.70 = 1,048,602,637.80 : x - Step 2: Convert to fraction form
2,136,993,805.80/3,205,490,708.70 = 1,048,602,637.80/x - Step 3: Cross multiply
2,136,993,805.80x = 3,205,490,708.70 × 1,048,602,637.80 - Step 4: Simplify right side
2,136,993,805.80x = 3,361,286,012,586,210,816 - Step 5: Solve for x
x = 3,361,286,012,586,210,816/2,136,993,805.80 - Step 6: Final answer
x = 1,572,903,956.70
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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.