Finding the Fourth Proportional to 7,243,517,817.60, 10,865,276,726.40 and 4,454,090,296.80
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Solution
The fourth proportional to 7,243,517,817.60, 10,865,276,726.40 and 4,454,090,296.80 is: 6,681,135,445.20
Step by Step Solution
- Step 1: Write the proportion equation
7,243,517,817.60 : 10,865,276,726.40 = 4,454,090,296.80 : x - Step 2: Convert to fraction form
7,243,517,817.60/10,865,276,726.40 = 4,454,090,296.80/x - Step 3: Cross multiply
7,243,517,817.60x = 10,865,276,726.40 × 4,454,090,296.80 - Step 4: Simplify right side
7,243,517,817.60x = 48,394,923,639,105,110,016 - Step 5: Solve for x
x = 48,394,923,639,105,110,016/7,243,517,817.60 - Step 6: Final answer
x = 6,681,135,445.20
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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.