Finding the Fourth Proportional to 1,653,977,592.96, 2,282,504,383.68 and 911,448,226.88
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Solution
The fourth proportional to 1,653,977,592.96, 2,282,504,383.68 and 911,448,226.88 is: 1,257,806,987.35
Step by Step Solution
- Step 1: Write the proportion equation
1,653,977,592.96 : 2,282,504,383.68 = 911,448,226.88 : x - Step 2: Convert to fraction form
1,653,977,592.96/2,282,504,383.68 = 911,448,226.88/x - Step 3: Cross multiply
1,653,977,592.96x = 2,282,504,383.68 × 911,448,226.88 - Step 4: Simplify right side
1,653,977,592.96x = 2,080,384,573,350,962,944 - Step 5: Solve for x
x = 2,080,384,573,350,962,944/1,653,977,592.96 - Step 6: Final answer
x = 1,257,806,987.35
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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.