Finding the Fourth Proportional to 1,177,471,796.40, 1,766,207,694.60 and 717,173,031.60
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Solution
The fourth proportional to 1,177,471,796.40, 1,766,207,694.60 and 717,173,031.60 is: 1,075,759,547.40
Step by Step Solution
- Step 1: Write the proportion equation
1,177,471,796.40 : 1,766,207,694.60 = 717,173,031.60 : x - Step 2: Convert to fraction form
1,177,471,796.40/1,766,207,694.60 = 717,173,031.60/x - Step 3: Cross multiply
1,177,471,796.40x = 1,766,207,694.60 × 717,173,031.60 - Step 4: Simplify right side
1,177,471,796.40x = 1,266,676,526,771,528,960 - Step 5: Solve for x
x = 1,266,676,526,771,528,960/1,177,471,796.40 - Step 6: Final answer
x = 1,075,759,547.40
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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.