Finding the Fourth Proportional to 3,660,423,398.61, 5,051,936,458.40 and 2,232,323,019.94
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Solution
The fourth proportional to 3,660,423,398.61, 5,051,936,458.40 and 2,232,323,019.94 is: 3,080,942,509.45
Step by Step Solution
- Step 1: Write the proportion equation
3,660,423,398.61 : 5,051,936,458.40 = 2,232,323,019.94 : x - Step 2: Convert to fraction form
3,660,423,398.61/5,051,936,458.40 = 2,232,323,019.94/x - Step 3: Cross multiply
3,660,423,398.61x = 5,051,936,458.40 × 2,232,323,019.94 - Step 4: Simplify right side
3,660,423,398.61x = 11,277,554,051,360,475,136 - Step 5: Solve for x
x = 11,277,554,051,360,475,136/3,660,423,398.61 - Step 6: Final answer
x = 3,080,942,509.45
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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.