Finding the Fourth Proportional to 369,821,034.47, 510,107,287.28 and 237,828,903.18
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Solution
The fourth proportional to 369,821,034.47, 510,107,287.28 and 237,828,903.18 is: 328,045,852.81
Step by Step Solution
- Step 1: Write the proportion equation
369,821,034.47 : 510,107,287.28 = 237,828,903.18 : x - Step 2: Convert to fraction form
369,821,034.47/510,107,287.28 = 237,828,903.18/x - Step 3: Cross multiply
369,821,034.47x = 510,107,287.28 × 237,828,903.18 - Step 4: Simplify right side
369,821,034.47x = 121,318,256,636,738,416 - Step 5: Solve for x
x = 121,318,256,636,738,416/369,821,034.47 - Step 6: Final answer
x = 328,045,852.81
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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.