Finding the Fourth Proportional to 372,429,332.64, 513,952,482.11 and 207,416,902.14
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Solution
The fourth proportional to 372,429,332.64, 513,952,482.11 and 207,416,902.14 is: 286,235,326.66
Step by Step Solution
- Step 1: Write the proportion equation
372,429,332.64 : 513,952,482.11 = 207,416,902.14 : x - Step 2: Convert to fraction form
372,429,332.64/513,952,482.11 = 207,416,902.14/x - Step 3: Cross multiply
372,429,332.64x = 513,952,482.11 × 207,416,902.14 - Step 4: Simplify right side
372,429,332.64x = 106,602,431,685,382,880 - Step 5: Solve for x
x = 106,602,431,685,382,880/372,429,332.64 - Step 6: Final answer
x = 286,235,326.66
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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.