Finding the Fourth Proportional to 4,213,559,021.66, 6,313,615,393.53 and 3,087,865,578.80
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Solution
The fourth proportional to 4,213,559,021.66, 6,313,615,393.53 and 3,087,865,578.80 is: 4,626,871,381.46
Step by Step Solution
- Step 1: Write the proportion equation
4,213,559,021.66 : 6,313,615,393.53 = 3,087,865,578.80 : x - Step 2: Convert to fraction form
4,213,559,021.66/6,313,615,393.53 = 3,087,865,578.80/x - Step 3: Cross multiply
4,213,559,021.66x = 6,313,615,393.53 × 3,087,865,578.80 - Step 4: Simplify right side
4,213,559,021.66x = 19,495,595,651,431,534,592 - Step 5: Solve for x
x = 19,495,595,651,431,534,592/4,213,559,021.66 - Step 6: Final answer
x = 4,626,871,381.46
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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.