Finding the Fourth Proportional to 417,202,358.40, 626,027,486.40 and 174,889,756.80
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Solution
The fourth proportional to 417,202,358.40, 626,027,486.40 and 174,889,756.80 is: 262,428,513.75
Step by Step Solution
- Step 1: Write the proportion equation
417,202,358.40 : 626,027,486.40 = 174,889,756.80 : x - Step 2: Convert to fraction form
417,202,358.40/626,027,486.40 = 174,889,756.80/x - Step 3: Cross multiply
417,202,358.40x = 626,027,486.40 × 174,889,756.80 - Step 4: Simplify right side
417,202,358.40x = 109,485,794,846,611,312 - Step 5: Solve for x
x = 109,485,794,846,611,312/417,202,358.40 - Step 6: Final answer
x = 262,428,513.75
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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.