Finding the Fourth Proportional to 737,918,307.40, 1,106,879,562.40 and 213,330,114.53
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Solution
The fourth proportional to 737,918,307.40, 1,106,879,562.40 and 213,330,114.53 is: 319,995,779.28
Step by Step Solution
- Step 1: Write the proportion equation
737,918,307.40 : 1,106,879,562.40 = 213,330,114.53 : x - Step 2: Convert to fraction form
737,918,307.40/1,106,879,562.40 = 213,330,114.53/x - Step 3: Cross multiply
737,918,307.40x = 1,106,879,562.40 × 213,330,114.53 - Step 4: Simplify right side
737,918,307.40x = 236,130,743,817,708,288 - Step 5: Solve for x
x = 236,130,743,817,708,288/737,918,307.40 - Step 6: Final answer
x = 319,995,779.28
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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.