Finding the Fourth Proportional to 871,326,284.68, 1,307,265,719.24 and 311,076,094.68
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Solution
The fourth proportional to 871,326,284.68, 1,307,265,719.24 and 311,076,094.68 is: 466,712,782.34
Step by Step Solution
- Step 1: Write the proportion equation
871,326,284.68 : 1,307,265,719.24 = 311,076,094.68 : x - Step 2: Convert to fraction form
871,326,284.68/1,307,265,719.24 = 311,076,094.68/x - Step 3: Cross multiply
871,326,284.68x = 1,307,265,719.24 × 311,076,094.68 - Step 4: Simplify right side
871,326,284.68x = 406,659,114,650,220,544 - Step 5: Solve for x
x = 406,659,114,650,220,544/871,326,284.68 - Step 6: Final answer
x = 466,712,782.34
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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.