Finding the Fourth Proportional to 2,455,200,239.55, 3,388,177,689.77 and 1,326,169,996.98
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Solution
The fourth proportional to 2,455,200,239.55, 3,388,177,689.77 and 1,326,169,996.98 is: 1,830,115,329.99
Step by Step Solution
- Step 1: Write the proportion equation
2,455,200,239.55 : 3,388,177,689.77 = 1,326,169,996.98 : x - Step 2: Convert to fraction form
2,455,200,239.55/3,388,177,689.77 = 1,326,169,996.98/x - Step 3: Cross multiply
2,455,200,239.55x = 3,388,177,689.77 × 1,326,169,996.98 - Step 4: Simplify right side
2,455,200,239.55x = 4,493,299,596,600,672,768 - Step 5: Solve for x
x = 4,493,299,596,600,672,768/2,455,200,239.55 - Step 6: Final answer
x = 1,830,115,329.99
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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.