Finding the Fourth Proportional to 292,653,819.16, 438,937,998.18 and 85,336,519.93
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Solution
The fourth proportional to 292,653,819.16, 438,937,998.18 and 85,336,519.93 is: 127,992,319.86
Step by Step Solution
- Step 1: Write the proportion equation
292,653,819.16 : 438,937,998.18 = 85,336,519.93 : x - Step 2: Convert to fraction form
292,653,819.16/438,937,998.18 = 85,336,519.93/x - Step 3: Cross multiply
292,653,819.16x = 438,937,998.18 × 85,336,519.93 - Step 4: Simplify right side
292,653,819.16x = 37,457,441,231,256,184 - Step 5: Solve for x
x = 37,457,441,231,256,184/292,653,819.16 - Step 6: Final answer
x = 127,992,319.86
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.