Finding the Fourth Proportional to 1,411,190,351.31, 2,117,270,827.11 and 829,411,337.55
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Solution
The fourth proportional to 1,411,190,351.31, 2,117,270,827.11 and 829,411,337.55 is: 1,244,402,236.05
Step by Step Solution
- Step 1: Write the proportion equation
1,411,190,351.31 : 2,117,270,827.11 = 829,411,337.55 : x - Step 2: Convert to fraction form
1,411,190,351.31/2,117,270,827.11 = 829,411,337.55/x - Step 3: Cross multiply
1,411,190,351.31x = 2,117,270,827.11 × 829,411,337.55 - Step 4: Simplify right side
1,411,190,351.31x = 1,756,088,428,668,899,840 - Step 5: Solve for x
x = 1,756,088,428,668,899,840/1,411,190,351.31 - Step 6: Final answer
x = 1,244,402,236.05
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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.