Finding the Fourth Proportional to 339,283,407.40, 508,775,811.90 and 134,743,503.40
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Solution
The fourth proportional to 339,283,407.40, 508,775,811.90 and 134,743,503.40 is: 202,055,962.20
Step by Step Solution
- Step 1: Write the proportion equation
339,283,407.40 : 508,775,811.90 = 134,743,503.40 : x - Step 2: Convert to fraction form
339,283,407.40/508,775,811.90 = 134,743,503.40/x - Step 3: Cross multiply
339,283,407.40x = 508,775,811.90 × 134,743,503.40 - Step 4: Simplify right side
339,283,407.40x = 68,554,235,340,585,408 - Step 5: Solve for x
x = 68,554,235,340,585,408/339,283,407.40 - Step 6: Final answer
x = 202,055,962.20
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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.