Finding the Fourth Proportional to 6,243,282,688.02, 9,361,184,110.97 and 1,987,135,630.08
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Solution
The fourth proportional to 6,243,282,688.02, 9,361,184,110.97 and 1,987,135,630.08 is: 2,979,513,088.90
Step by Step Solution
- Step 1: Write the proportion equation
6,243,282,688.02 : 9,361,184,110.97 = 1,987,135,630.08 : x - Step 2: Convert to fraction form
6,243,282,688.02/9,361,184,110.97 = 1,987,135,630.08/x - Step 3: Cross multiply
6,243,282,688.02x = 9,361,184,110.97 × 1,987,135,630.08 - Step 4: Simplify right side
6,243,282,688.02x = 18,601,942,486,637,318,144 - Step 5: Solve for x
x = 18,601,942,486,637,318,144/6,243,282,688.02 - Step 6: Final answer
x = 2,979,513,088.90
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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.