Finding the Fourth Proportional to 868,133,044.80, 1,302,199,567.20 and 704,874,369.60
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Solution
The fourth proportional to 868,133,044.80, 1,302,199,567.20 and 704,874,369.60 is: 1,057,311,554.40
Step by Step Solution
- Step 1: Write the proportion equation
868,133,044.80 : 1,302,199,567.20 = 704,874,369.60 : x - Step 2: Convert to fraction form
868,133,044.80/1,302,199,567.20 = 704,874,369.60/x - Step 3: Cross multiply
868,133,044.80x = 1,302,199,567.20 × 704,874,369.60 - Step 4: Simplify right side
868,133,044.80x = 917,887,099,023,492,864 - Step 5: Solve for x
x = 917,887,099,023,492,864/868,133,044.80 - Step 6: Final answer
x = 1,057,311,554.40
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Similar ratio
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1.5x scale
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.