Finding the Fourth Proportional to 1,036,644,586.53, 1,554,966,879.80 and 346,462,159.83
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Solution
The fourth proportional to 1,036,644,586.53, 1,554,966,879.80 and 346,462,159.83 is: 519,693,239.75
Step by Step Solution
- Step 1: Write the proportion equation
1,036,644,586.53 : 1,554,966,879.80 = 346,462,159.83 : x - Step 2: Convert to fraction form
1,036,644,586.53/1,554,966,879.80 = 346,462,159.83/x - Step 3: Cross multiply
1,036,644,586.53x = 1,554,966,879.80 × 346,462,159.83 - Step 4: Simplify right side
1,036,644,586.53x = 538,737,183,639,623,936 - Step 5: Solve for x
x = 538,737,183,639,623,936/1,036,644,586.53 - Step 6: Final answer
x = 519,693,239.75
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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.