Finding the Fourth Proportional to 1,838,658,415.80, 2,757,987,623.70 and 1,609,075,903.80
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Solution
The fourth proportional to 1,838,658,415.80, 2,757,987,623.70 and 1,609,075,903.80 is: 2,413,613,855.70
Step by Step Solution
- Step 1: Write the proportion equation
1,838,658,415.80 : 2,757,987,623.70 = 1,609,075,903.80 : x - Step 2: Convert to fraction form
1,838,658,415.80/2,757,987,623.70 = 1,609,075,903.80/x - Step 3: Cross multiply
1,838,658,415.80x = 2,757,987,623.70 × 1,609,075,903.80 - Step 4: Simplify right side
1,838,658,415.80x = 4,437,811,428,274,291,200 - Step 5: Solve for x
x = 4,437,811,428,274,291,200/1,838,658,415.80 - Step 6: Final answer
x = 2,413,613,855.70
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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.