Finding the Fourth Proportional to 4,853,897,426.92, 6,696,472,489.63 and 2,819,001,866.71
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Solution
The fourth proportional to 4,853,897,426.92, 6,696,472,489.63 and 2,819,001,866.71 is: 3,889,115,650.43
Step by Step Solution
- Step 1: Write the proportion equation
4,853,897,426.92 : 6,696,472,489.63 = 2,819,001,866.71 : x - Step 2: Convert to fraction form
4,853,897,426.92/6,696,472,489.63 = 2,819,001,866.71/x - Step 3: Cross multiply
4,853,897,426.92x = 6,696,472,489.63 × 2,819,001,866.71 - Step 4: Simplify right side
4,853,897,426.92x = 18,877,368,448,639,131,648 - Step 5: Solve for x
x = 18,877,368,448,639,131,648/4,853,897,426.92 - Step 6: Final answer
x = 3,889,115,650.43
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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.