Finding the Fourth Proportional to 641,434,114.62, 885,179,079.99 and 348,078,682.62
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Solution
The fourth proportional to 641,434,114.62, 885,179,079.99 and 348,078,682.62 is: 480,348,583.00
Step by Step Solution
- Step 1: Write the proportion equation
641,434,114.62 : 885,179,079.99 = 348,078,682.62 : x - Step 2: Convert to fraction form
641,434,114.62/885,179,079.99 = 348,078,682.62/x - Step 3: Cross multiply
641,434,114.62x = 885,179,079.99 × 348,078,682.62 - Step 4: Simplify right side
641,434,114.62x = 308,111,968,045,702,784 - Step 5: Solve for x
x = 308,111,968,045,702,784/641,434,114.62 - Step 6: Final answer
x = 480,348,583.00
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.