Finding the Fourth Proportional to 4,075,186,191.78, 5,623,723,138.68 and 2,291,047,597.74
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Solution
The fourth proportional to 4,075,186,191.78, 5,623,723,138.68 and 2,291,047,597.74 is: 3,161,626,679.34
Step by Step Solution
- Step 1: Write the proportion equation
4,075,186,191.78 : 5,623,723,138.68 = 2,291,047,597.74 : x - Step 2: Convert to fraction form
4,075,186,191.78/5,623,723,138.68 = 2,291,047,597.74/x - Step 3: Cross multiply
4,075,186,191.78x = 5,623,723,138.68 × 2,291,047,597.74 - Step 4: Simplify right side
4,075,186,191.78x = 12,884,217,387,227,666,432 - Step 5: Solve for x
x = 12,884,217,387,227,666,432/4,075,186,191.78 - Step 6: Final answer
x = 3,161,626,679.34
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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.