Finding the Fourth Proportional to 368,737,465.80, 553,106,198.70 and 368,737,465.80
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Solution
The fourth proportional to 368,737,465.80, 553,106,198.70 and 368,737,465.80 is: 553,106,198.70
Step by Step Solution
- Step 1: Write the proportion equation
368,737,465.80 : 553,106,198.70 = 368,737,465.80 : x - Step 2: Convert to fraction form
368,737,465.80/553,106,198.70 = 368,737,465.80/x - Step 3: Cross multiply
368,737,465.80x = 553,106,198.70 × 368,737,465.80 - Step 4: Simplify right side
368,737,465.80x = 203,950,978,026,909,280 - Step 5: Solve for x
x = 203,950,978,026,909,280/368,737,465.80 - Step 6: Final answer
x = 553,106,198.70
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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.