Finding the Fourth Proportional to 6,243,267,383.50, 9,361,161,210.35 and 1,987,120,343.13
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Solution
The fourth proportional to 6,243,267,383.50, 9,361,161,210.35 and 1,987,120,343.13 is: 2,979,490,182.59
Step by Step Solution
- Step 1: Write the proportion equation
6,243,267,383.50 : 9,361,161,210.35 = 1,987,120,343.13 : x - Step 2: Convert to fraction form
6,243,267,383.50/9,361,161,210.35 = 1,987,120,343.13/x - Step 3: Cross multiply
6,243,267,383.50x = 9,361,161,210.35 × 1,987,120,343.13 - Step 4: Simplify right side
6,243,267,383.50x = 18,601,753,876,419,403,776 - Step 5: Solve for x
x = 18,601,753,876,419,403,776/6,243,267,383.50 - Step 6: Final answer
x = 2,979,490,182.59
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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.