Finding the Fourth Proportional to 3,593,118,087.40, 5,389,173,246.30 and 1,139,702,996.20
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Solution
The fourth proportional to 3,593,118,087.40, 5,389,173,246.30 and 1,139,702,996.20 is: 1,709,394,666.82
Step by Step Solution
- Step 1: Write the proportion equation
3,593,118,087.40 : 5,389,173,246.30 = 1,139,702,996.20 : x - Step 2: Convert to fraction form
3,593,118,087.40/5,389,173,246.30 = 1,139,702,996.20/x - Step 3: Cross multiply
3,593,118,087.40x = 5,389,173,246.30 × 1,139,702,996.20 - Step 4: Simplify right side
3,593,118,087.40x = 6,142,056,895,848,990,720 - Step 5: Solve for x
x = 6,142,056,895,848,990,720/3,593,118,087.40 - Step 6: Final answer
x = 1,709,394,666.82
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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.