Finding the Fourth Proportional to 928,662,602.64, 1,393,606,815.36 and 492,269,742.48
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Solution
The fourth proportional to 928,662,602.64, 1,393,606,815.36 and 492,269,742.48 is: 738,729,508.61
Step by Step Solution
- Step 1: Write the proportion equation
928,662,602.64 : 1,393,606,815.36 = 492,269,742.48 : x - Step 2: Convert to fraction form
928,662,602.64/1,393,606,815.36 = 492,269,742.48/x - Step 3: Cross multiply
928,662,602.64x = 1,393,606,815.36 × 492,269,742.48 - Step 4: Simplify right side
928,662,602.64x = 686,030,468,115,640,064 - Step 5: Solve for x
x = 686,030,468,115,640,064/928,662,602.64 - Step 6: Final answer
x = 738,729,508.61
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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.