Finding the Fourth Proportional to 424,642,808.64, 636,668,084.48 and 188,163,713.10
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Solution
The fourth proportional to 424,642,808.64, 636,668,084.48 and 188,163,713.10 is: 282,114,351.99
Step by Step Solution
- Step 1: Write the proportion equation
424,642,808.64 : 636,668,084.48 = 188,163,713.10 : x - Step 2: Convert to fraction form
424,642,808.64/636,668,084.48 = 188,163,713.10/x - Step 3: Cross multiply
424,642,808.64x = 636,668,084.48 × 188,163,713.10 - Step 4: Simplify right side
424,642,808.64x = 119,797,830,788,021,280 - Step 5: Solve for x
x = 119,797,830,788,021,280/424,642,808.64 - Step 6: Final answer
x = 282,114,351.99
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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.