Finding the Fourth Proportional to 342,120,402.64, 472,136,115.48 and 193,438,331.52
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Solution
The fourth proportional to 342,120,402.64, 472,136,115.48 and 193,438,331.52 is: 266,950,528.89
Step by Step Solution
- Step 1: Write the proportion equation
342,120,402.64 : 472,136,115.48 = 193,438,331.52 : x - Step 2: Convert to fraction form
342,120,402.64/472,136,115.48 = 193,438,331.52/x - Step 3: Cross multiply
342,120,402.64x = 472,136,115.48 × 193,438,331.52 - Step 4: Simplify right side
342,120,402.64x = 91,329,222,428,785,248 - Step 5: Solve for x
x = 91,329,222,428,785,248/342,120,402.64 - Step 6: Final answer
x = 266,950,528.89
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.