Finding the Fourth Proportional to 419,906,089.20, 629,859,133.80 and 317,869,417.20
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Solution
The fourth proportional to 419,906,089.20, 629,859,133.80 and 317,869,417.20 is: 476,804,125.80
Step by Step Solution
- Step 1: Write the proportion equation
419,906,089.20 : 629,859,133.80 = 317,869,417.20 : x - Step 2: Convert to fraction form
419,906,089.20/629,859,133.80 = 317,869,417.20/x - Step 3: Cross multiply
419,906,089.20x = 629,859,133.80 × 317,869,417.20 - Step 4: Simplify right side
419,906,089.20x = 200,212,955,779,102,784 - Step 5: Solve for x
x = 200,212,955,779,102,784/419,906,089.20 - Step 6: Final answer
x = 476,804,125.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.