Finding the Fourth Proportional to 793,509,306.88, 1,190,276,208.96 and 302,249,971.84
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Solution
The fourth proportional to 793,509,306.88, 1,190,276,208.96 and 302,249,971.84 is: 453,379,623.30
Step by Step Solution
- Step 1: Write the proportion equation
793,509,306.88 : 1,190,276,208.96 = 302,249,971.84 : x - Step 2: Convert to fraction form
793,509,306.88/1,190,276,208.96 = 302,249,971.84/x - Step 3: Cross multiply
793,509,306.88x = 1,190,276,208.96 × 302,249,971.84 - Step 4: Simplify right side
793,509,306.88x = 359,760,950,639,981,952 - Step 5: Solve for x
x = 359,760,950,639,981,952/793,509,306.88 - Step 6: Final answer
x = 453,379,623.30
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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.