Finding the Fourth Proportional to 8,168,717,657.98, 11,272,532,754.61 and 4,551,554,504.30
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Solution
The fourth proportional to 8,168,717,657.98, 11,272,532,754.61 and 4,551,554,504.30 is: 6,280,979,387.75
Step by Step Solution
- Step 1: Write the proportion equation
8,168,717,657.98 : 11,272,532,754.61 = 4,551,554,504.30 : x - Step 2: Convert to fraction form
8,168,717,657.98/11,272,532,754.61 = 4,551,554,504.30/x - Step 3: Cross multiply
8,168,717,657.98x = 11,272,532,754.61 × 4,551,554,504.30 - Step 4: Simplify right side
8,168,717,657.98x = 51,307,547,234,114,437,120 - Step 5: Solve for x
x = 51,307,547,234,114,437,120/8,168,717,657.98 - Step 6: Final answer
x = 6,280,979,387.75
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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.