Finding the Fourth Proportional to 4,828,896,077.20, 7,243,344,115.80 and 3,512,623,008.40
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Solution
The fourth proportional to 4,828,896,077.20, 7,243,344,115.80 and 3,512,623,008.40 is: 5,268,934,512.60
Step by Step Solution
- Step 1: Write the proportion equation
4,828,896,077.20 : 7,243,344,115.80 = 3,512,623,008.40 : x - Step 2: Convert to fraction form
4,828,896,077.20/7,243,344,115.80 = 3,512,623,008.40/x - Step 3: Cross multiply
4,828,896,077.20x = 7,243,344,115.80 × 3,512,623,008.40 - Step 4: Simplify right side
4,828,896,077.20x = 25,443,137,198,917,836,800 - Step 5: Solve for x
x = 25,443,137,198,917,836,800/4,828,896,077.20 - Step 6: Final answer
x = 5,268,934,512.60
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1.5x scale
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.