Finding the Fourth Proportional to 391,537,292.14, 540,168,544.82 and 224,184,120.94
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Solution
The fourth proportional to 391,537,292.14, 540,168,544.82 and 224,184,120.94 is: 309,286,529.82
Step by Step Solution
- Step 1: Write the proportion equation
391,537,292.14 : 540,168,544.82 = 224,184,120.94 : x - Step 2: Convert to fraction form
391,537,292.14/540,168,544.82 = 224,184,120.94/x - Step 3: Cross multiply
391,537,292.14x = 540,168,544.82 × 224,184,120.94 - Step 4: Simplify right side
391,537,292.14x = 121,097,210,379,910,704 - Step 5: Solve for x
x = 121,097,210,379,910,704/391,537,292.14 - Step 6: Final answer
x = 309,286,529.82
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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.