Finding the Fourth Proportional to 452,415,896.22, 679,645,409.79 and 268,304,129.55
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Solution
The fourth proportional to 452,415,896.22, 679,645,409.79 and 268,304,129.55 is: 403,062,031.20
Step by Step Solution
- Step 1: Write the proportion equation
452,415,896.22 : 679,645,409.79 = 268,304,129.55 : x - Step 2: Convert to fraction form
452,415,896.22/679,645,409.79 = 268,304,129.55/x - Step 3: Cross multiply
452,415,896.22x = 679,645,409.79 × 268,304,129.55 - Step 4: Simplify right side
452,415,896.22x = 182,351,670,076,359,008 - Step 5: Solve for x
x = 182,351,670,076,359,008/452,415,896.22 - Step 6: Final answer
x = 403,062,031.20
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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.