Finding the Fourth Proportional to 6,438,528,086.10, 9,657,792,129.15 and 6,257,129,558.10
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Solution
The fourth proportional to 6,438,528,086.10, 9,657,792,129.15 and 6,257,129,558.10 is: 9,385,694,337.15
Step by Step Solution
- Step 1: Write the proportion equation
6,438,528,086.10 : 9,657,792,129.15 = 6,257,129,558.10 : x - Step 2: Convert to fraction form
6,438,528,086.10/9,657,792,129.15 = 6,257,129,558.10/x - Step 3: Cross multiply
6,438,528,086.10x = 9,657,792,129.15 × 6,257,129,558.10 - Step 4: Simplify right side
6,438,528,086.10x = 60,430,056,597,290,000,384 - Step 5: Solve for x
x = 60,430,056,597,290,000,384/6,438,528,086.10 - Step 6: Final answer
x = 9,385,694,337.15
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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.