Finding the Fourth Proportional to 449,382,056.97, 620,166,390.80 and 251,143,545.92
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Solution
The fourth proportional to 449,382,056.97, 620,166,390.80 and 251,143,545.92 is: 346,588,796.83
Step by Step Solution
- Step 1: Write the proportion equation
449,382,056.97 : 620,166,390.80 = 251,143,545.92 : x - Step 2: Convert to fraction form
449,382,056.97/620,166,390.80 = 251,143,545.92/x - Step 3: Cross multiply
449,382,056.97x = 620,166,390.80 × 251,143,545.92 - Step 4: Simplify right side
449,382,056.97x = 155,750,786,441,563,904 - Step 5: Solve for x
x = 155,750,786,441,563,904/449,382,056.97 - Step 6: Final answer
x = 346,588,796.83
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.