Finding the Fourth Proportional to 353,158,374.24, 487,354,688.94 and 194,385,102.60
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Solution
The fourth proportional to 353,158,374.24, 487,354,688.94 and 194,385,102.60 is: 268,249,312.84
Step by Step Solution
- Step 1: Write the proportion equation
353,158,374.24 : 487,354,688.94 = 194,385,102.60 : x - Step 2: Convert to fraction form
353,158,374.24/487,354,688.94 = 194,385,102.60/x - Step 3: Cross multiply
353,158,374.24x = 487,354,688.94 × 194,385,102.60 - Step 4: Simplify right side
353,158,374.24x = 94,734,491,212,192,976 - Step 5: Solve for x
x = 94,734,491,212,192,976/353,158,374.24 - Step 6: Final answer
x = 268,249,312.84
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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.