Finding the Fourth Proportional to 429,712,125.64, 644,304,220.16 and 167,090,554.63
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Solution
The fourth proportional to 429,712,125.64, 644,304,220.16 and 167,090,554.63 is: 250,533,189.71
Step by Step Solution
- Step 1: Write the proportion equation
429,712,125.64 : 644,304,220.16 = 167,090,554.63 : x - Step 2: Convert to fraction form
429,712,125.64/644,304,220.16 = 167,090,554.63/x - Step 3: Cross multiply
429,712,125.64x = 644,304,220.16 × 167,090,554.63 - Step 4: Simplify right side
429,712,125.64x = 107,657,149,492,927,056 - Step 5: Solve for x
x = 107,657,149,492,927,056/429,712,125.64 - Step 6: Final answer
x = 250,533,189.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.