Finding the Fourth Proportional to 737,918,306.90, 1,106,879,561.65 and 213,330,114.03
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Solution
The fourth proportional to 737,918,306.90, 1,106,879,561.65 and 213,330,114.03 is: 319,995,778.53
Step by Step Solution
- Step 1: Write the proportion equation
737,918,306.90 : 1,106,879,561.65 = 213,330,114.03 : x - Step 2: Convert to fraction form
737,918,306.90/1,106,879,561.65 = 213,330,114.03/x - Step 3: Cross multiply
737,918,306.90x = 1,106,879,561.65 × 213,330,114.03 - Step 4: Simplify right side
737,918,306.90x = 236,130,743,104,270,944 - Step 5: Solve for x
x = 236,130,743,104,270,944/737,918,306.90 - Step 6: Final answer
x = 319,995,778.53
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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.