Finding the Fourth Proportional to 2,130,241,007.70, 3,195,361,511.55 and 1,613,680,355.70
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Solution
The fourth proportional to 2,130,241,007.70, 3,195,361,511.55 and 1,613,680,355.70 is: 2,420,520,533.55
Step by Step Solution
- Step 1: Write the proportion equation
2,130,241,007.70 : 3,195,361,511.55 = 1,613,680,355.70 : x - Step 2: Convert to fraction form
2,130,241,007.70/3,195,361,511.55 = 1,613,680,355.70/x - Step 3: Cross multiply
2,130,241,007.70x = 3,195,361,511.55 × 1,613,680,355.70 - Step 4: Simplify right side
2,130,241,007.70x = 5,156,292,100,548,093,952 - Step 5: Solve for x
x = 5,156,292,100,548,093,952/2,130,241,007.70 - Step 6: Final answer
x = 2,420,520,533.55
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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.