Finding the Fourth Proportional to 6,438,528,033.70, 9,657,792,050.55 and 3,173,354,529.70
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Solution
The fourth proportional to 6,438,528,033.70, 9,657,792,050.55 and 3,173,354,529.70 is: 4,760,031,794.55
Step by Step Solution
- Step 1: Write the proportion equation
6,438,528,033.70 : 9,657,792,050.55 = 3,173,354,529.70 : x - Step 2: Convert to fraction form
6,438,528,033.70/9,657,792,050.55 = 3,173,354,529.70/x - Step 3: Cross multiply
6,438,528,033.70x = 9,657,792,050.55 × 3,173,354,529.70 - Step 4: Simplify right side
6,438,528,033.70x = 30,647,598,150,513,487,872 - Step 5: Solve for x
x = 30,647,598,150,513,487,872/6,438,528,033.70 - Step 6: Final answer
x = 4,760,031,794.55
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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.