Finding the Fourth Proportional to 6,915,393,691.09, 10,367,277,753.04 and 5,602,038,780.13
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Solution
The fourth proportional to 6,915,393,691.09, 10,367,277,753.04 and 5,602,038,780.13 is: 8,398,349,336.45
Step by Step Solution
- Step 1: Write the proportion equation
6,915,393,691.09 : 10,367,277,753.04 = 5,602,038,780.13 : x - Step 2: Convert to fraction form
6,915,393,691.09/10,367,277,753.04 = 5,602,038,780.13/x - Step 3: Cross multiply
6,915,393,691.09x = 10,367,277,753.04 × 5,602,038,780.13 - Step 4: Simplify right side
6,915,393,691.09x = 58,077,892,016,867,401,728 - Step 5: Solve for x
x = 58,077,892,016,867,401,728/6,915,393,691.09 - Step 6: Final answer
x = 8,398,349,336.45
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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.