Finding the Fourth Proportional to 5,353,052,485.12, 7,387,411,794.12 and 3,210,008,053.18
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Solution
The fourth proportional to 5,353,052,485.12, 7,387,411,794.12 and 3,210,008,053.18 is: 4,429,930,664.27
Step by Step Solution
- Step 1: Write the proportion equation
5,353,052,485.12 : 7,387,411,794.12 = 3,210,008,053.18 : x - Step 2: Convert to fraction form
5,353,052,485.12/7,387,411,794.12 = 3,210,008,053.18/x - Step 3: Cross multiply
5,353,052,485.12x = 7,387,411,794.12 × 3,210,008,053.18 - Step 4: Simplify right side
5,353,052,485.12x = 23,713,651,351,282,110,464 - Step 5: Solve for x
x = 23,713,651,351,282,110,464/5,353,052,485.12 - Step 6: Final answer
x = 4,429,930,664.27
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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.