Finding the Fourth Proportional to 319,713,340.53, 478,707,750.67 and 208,774,195.41
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Solution
The fourth proportional to 319,713,340.53, 478,707,750.67 and 208,774,195.41 is: 312,598,233.52
Step by Step Solution
- Step 1: Write the proportion equation
319,713,340.53 : 478,707,750.67 = 208,774,195.41 : x - Step 2: Convert to fraction form
319,713,340.53/478,707,750.67 = 208,774,195.41/x - Step 3: Cross multiply
319,713,340.53x = 478,707,750.67 × 208,774,195.41 - Step 4: Simplify right side
319,713,340.53x = 99,941,825,482,660,144 - Step 5: Solve for x
x = 99,941,825,482,660,144/319,713,340.53 - Step 6: Final answer
x = 312,598,233.52
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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.