Finding the Fourth Proportional to 3,371,438,441.20, 5,057,157,661.80 and 1,432,489,730.80
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Solution
The fourth proportional to 3,371,438,441.20, 5,057,157,661.80 and 1,432,489,730.80 is: 2,148,734,596.20
Step by Step Solution
- Step 1: Write the proportion equation
3,371,438,441.20 : 5,057,157,661.80 = 1,432,489,730.80 : x - Step 2: Convert to fraction form
3,371,438,441.20/5,057,157,661.80 = 1,432,489,730.80/x - Step 3: Cross multiply
3,371,438,441.20x = 5,057,157,661.80 × 1,432,489,730.80 - Step 4: Simplify right side
3,371,438,441.20x = 7,244,326,417,565,039,616 - Step 5: Solve for x
x = 7,244,326,417,565,039,616/3,371,438,441.20 - Step 6: Final answer
x = 2,148,734,596.20
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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.