Finding the Fourth Proportional to 1,730,409,425.37, 2,595,614,168.12 and 420,302,649.94
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Solution
The fourth proportional to 1,730,409,425.37, 2,595,614,168.12 and 420,302,649.94 is: 630,453,982.21
Step by Step Solution
- Step 1: Write the proportion equation
1,730,409,425.37 : 2,595,614,168.12 = 420,302,649.94 : x - Step 2: Convert to fraction form
1,730,409,425.37/2,595,614,168.12 = 420,302,649.94/x - Step 3: Cross multiply
1,730,409,425.37x = 2,595,614,168.12 × 420,302,649.94 - Step 4: Simplify right side
1,730,409,425.37x = 1,090,943,513,080,543,104 - Step 5: Solve for x
x = 1,090,943,513,080,543,104/1,730,409,425.37 - Step 6: Final answer
x = 630,453,982.21
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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.