Finding the Fourth Proportional to 3,289,554,467.80, 4,934,331,701.70 and 3,144,435,645.40
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Solution
The fourth proportional to 3,289,554,467.80, 4,934,331,701.70 and 3,144,435,645.40 is: 4,716,653,468.10
Step by Step Solution
- Step 1: Write the proportion equation
3,289,554,467.80 : 4,934,331,701.70 = 3,144,435,645.40 : x - Step 2: Convert to fraction form
3,289,554,467.80/4,934,331,701.70 = 3,144,435,645.40/x - Step 3: Cross multiply
3,289,554,467.80x = 4,934,331,701.70 × 3,144,435,645.40 - Step 4: Simplify right side
3,289,554,467.80x = 15,515,688,489,052,719,104 - Step 5: Solve for x
x = 15,515,688,489,052,719,104/3,289,554,467.80 - Step 6: Final answer
x = 4,716,653,468.10
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Double scale
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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.