Finding the Fourth Proportional to 395,728,937.63, 592,988,083.10 and 211,522,629.68
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Solution
The fourth proportional to 395,728,937.63, 592,988,083.10 and 211,522,629.68 is: 316,960,390.76
Step by Step Solution
- Step 1: Write the proportion equation
395,728,937.63 : 592,988,083.10 = 211,522,629.68 : x - Step 2: Convert to fraction form
395,728,937.63/592,988,083.10 = 211,522,629.68/x - Step 3: Cross multiply
395,728,937.63x = 592,988,083.10 × 211,522,629.68 - Step 4: Simplify right side
395,728,937.63x = 125,430,398,706,214,368 - Step 5: Solve for x
x = 125,430,398,706,214,368/395,728,937.63 - Step 6: Final answer
x = 316,960,390.76
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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.