Finding the Fourth Proportional to 1,668,523,774.24, 2,304,473,816.68 and 1,098,853,385.48
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Solution
The fourth proportional to 1,668,523,774.24, 2,304,473,816.68 and 1,098,853,385.48 is: 1,517,676,220.32
Step by Step Solution
- Step 1: Write the proportion equation
1,668,523,774.24 : 2,304,473,816.68 = 1,098,853,385.48 : x - Step 2: Convert to fraction form
1,668,523,774.24/2,304,473,816.68 = 1,098,853,385.48/x - Step 3: Cross multiply
1,668,523,774.24x = 2,304,473,816.68 × 1,098,853,385.48 - Step 4: Simplify right side
1,668,523,774.24x = 2,532,278,855,208,834,560 - Step 5: Solve for x
x = 2,532,278,855,208,834,560/1,668,523,774.24 - Step 6: Final answer
x = 1,517,676,220.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.