Finding the Fourth Proportional to 314,929,554.20, 472,394,331.30 and 192,485,547.80
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Solution
The fourth proportional to 314,929,554.20, 472,394,331.30 and 192,485,547.80 is: 288,728,321.70
Step by Step Solution
- Step 1: Write the proportion equation
314,929,554.20 : 472,394,331.30 = 192,485,547.80 : x - Step 2: Convert to fraction form
314,929,554.20/472,394,331.30 = 192,485,547.80/x - Step 3: Cross multiply
314,929,554.20x = 472,394,331.30 × 192,485,547.80 - Step 4: Simplify right side
314,929,554.20x = 90,929,081,637,895,200 - Step 5: Solve for x
x = 90,929,081,637,895,200/314,929,554.20 - Step 6: Final answer
x = 288,728,321.70
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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.