Finding the Fourth Proportional to 2,217,788,182.42, 3,060,571,878.21 and 1,227,730,133.14
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Solution
The fourth proportional to 2,217,788,182.42, 3,060,571,878.21 and 1,227,730,133.14 is: 1,694,280,972.96
Step by Step Solution
- Step 1: Write the proportion equation
2,217,788,182.42 : 3,060,571,878.21 = 1,227,730,133.14 : x - Step 2: Convert to fraction form
2,217,788,182.42/3,060,571,878.21 = 1,227,730,133.14/x - Step 3: Cross multiply
2,217,788,182.42x = 3,060,571,878.21 × 1,227,730,133.14 - Step 4: Simplify right side
2,217,788,182.42x = 3,757,556,319,519,303,680 - Step 5: Solve for x
x = 3,757,556,319,519,303,680/2,217,788,182.42 - Step 6: Final answer
x = 1,694,280,972.96
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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.