Finding the Fourth Proportional to 429,443,142.41, 592,639,372.11 and 238,722,068.99
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Solution
The fourth proportional to 429,443,142.41, 592,639,372.11 and 238,722,068.99 is: 329,440,810.91
Step by Step Solution
- Step 1: Write the proportion equation
429,443,142.41 : 592,639,372.11 = 238,722,068.99 : x - Step 2: Convert to fraction form
429,443,142.41/592,639,372.11 = 238,722,068.99/x - Step 3: Cross multiply
429,443,142.41x = 592,639,372.11 × 238,722,068.99 - Step 4: Simplify right side
429,443,142.41x = 141,476,097,072,070,512 - Step 5: Solve for x
x = 141,476,097,072,070,512/429,443,142.41 - Step 6: Final answer
x = 329,440,810.91
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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.