Finding the Fourth Proportional to 517,268,771.64, 776,005,370.64 and 189,747,325.80
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Solution
The fourth proportional to 517,268,771.64, 776,005,370.64 and 189,747,325.80 is: 284,658,483.09
Step by Step Solution
- Step 1: Write the proportion equation
517,268,771.64 : 776,005,370.64 = 189,747,325.80 : x - Step 2: Convert to fraction form
517,268,771.64/776,005,370.64 = 189,747,325.80/x - Step 3: Cross multiply
517,268,771.64x = 776,005,370.64 × 189,747,325.80 - Step 4: Simplify right side
517,268,771.64x = 147,244,943,885,377,856 - Step 5: Solve for x
x = 147,244,943,885,377,856/517,268,771.64 - Step 6: Final answer
x = 284,658,483.09
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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.