Finding the Fourth Proportional to 5,038,338,893.40, 6,954,290,597.88 and 2,924,475,858.36
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Solution
The fourth proportional to 5,038,338,893.40, 6,954,290,597.88 and 2,924,475,858.36 is: 4,036,579,395.67
Step by Step Solution
- Step 1: Write the proportion equation
5,038,338,893.40 : 6,954,290,597.88 = 2,924,475,858.36 : x - Step 2: Convert to fraction form
5,038,338,893.40/6,954,290,597.88 = 2,924,475,858.36/x - Step 3: Cross multiply
5,038,338,893.40x = 6,954,290,597.88 × 2,924,475,858.36 - Step 4: Simplify right side
5,038,338,893.40x = 20,337,654,965,519,990,784 - Step 5: Solve for x
x = 20,337,654,965,519,990,784/5,038,338,893.40 - Step 6: Final answer
x = 4,036,579,395.67
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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.