Finding the Fourth Proportional to 2,425,664,876.12, 3,347,450,053.40 and 1,368,389,578.67
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Solution
The fourth proportional to 2,425,664,876.12, 3,347,450,053.40 and 1,368,389,578.67 is: 1,888,395,966.52
Step by Step Solution
- Step 1: Write the proportion equation
2,425,664,876.12 : 3,347,450,053.40 = 1,368,389,578.67 : x - Step 2: Convert to fraction form
2,425,664,876.12/3,347,450,053.40 = 1,368,389,578.67/x - Step 3: Cross multiply
2,425,664,876.12x = 3,347,450,053.40 × 1,368,389,578.67 - Step 4: Simplify right side
2,425,664,876.12x = 4,580,615,768,177,579,008 - Step 5: Solve for x
x = 4,580,615,768,177,579,008/2,425,664,876.12 - Step 6: Final answer
x = 1,888,395,966.52
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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.