Finding the Fourth Proportional to 4,849,207,430.70, 7,273,811,146.05 and 3,686,945,963.70
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Solution
The fourth proportional to 4,849,207,430.70, 7,273,811,146.05 and 3,686,945,963.70 is: 5,530,418,945.55
Step by Step Solution
- Step 1: Write the proportion equation
4,849,207,430.70 : 7,273,811,146.05 = 3,686,945,963.70 : x - Step 2: Convert to fraction form
4,849,207,430.70/7,273,811,146.05 = 3,686,945,963.70/x - Step 3: Cross multiply
4,849,207,430.70x = 7,273,811,146.05 × 3,686,945,963.70 - Step 4: Simplify right side
4,849,207,430.70x = 26,818,148,645,645,119,488 - Step 5: Solve for x
x = 26,818,148,645,645,119,488/4,849,207,430.70 - Step 6: Final answer
x = 5,530,418,945.55
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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.