Finding the Fourth Proportional to 3,607,461,021.80, 5,411,191,532.70 and 3,258,782,581.70
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Solution
The fourth proportional to 3,607,461,021.80, 5,411,191,532.70 and 3,258,782,581.70 is: 4,888,173,872.55
Step by Step Solution
- Step 1: Write the proportion equation
3,607,461,021.80 : 5,411,191,532.70 = 3,258,782,581.70 : x - Step 2: Convert to fraction form
3,607,461,021.80/5,411,191,532.70 = 3,258,782,581.70/x - Step 3: Cross multiply
3,607,461,021.80x = 5,411,191,532.70 × 3,258,782,581.70 - Step 4: Simplify right side
3,607,461,021.80x = 17,633,896,713,005,283,328 - Step 5: Solve for x
x = 17,633,896,713,005,283,328/3,607,461,021.80 - Step 6: Final answer
x = 4,888,173,872.55
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Double scale
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Similar ratio
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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.