Finding the Fourth Proportional to 690,322,794.08, 952,639,167.11 and 377,056,925.01
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Solution
The fourth proportional to 690,322,794.08, 952,639,167.11 and 377,056,925.01 is: 520,335,121.59
Step by Step Solution
- Step 1: Write the proportion equation
690,322,794.08 : 952,639,167.11 = 377,056,925.01 : x - Step 2: Convert to fraction form
690,322,794.08/952,639,167.11 = 377,056,925.01/x - Step 3: Cross multiply
690,322,794.08x = 952,639,167.11 × 377,056,925.01 - Step 4: Simplify right side
690,322,794.08x = 359,199,194,992,698,816 - Step 5: Solve for x
x = 359,199,194,992,698,816/690,322,794.08 - Step 6: Final answer
x = 520,335,121.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.