Finding the Fourth Proportional to 629,859,176.10, 944,788,764.15 and 307,372,904.10
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Solution
The fourth proportional to 629,859,176.10, 944,788,764.15 and 307,372,904.10 is: 461,059,356.15
Step by Step Solution
- Step 1: Write the proportion equation
629,859,176.10 : 944,788,764.15 = 307,372,904.10 : x - Step 2: Convert to fraction form
629,859,176.10/944,788,764.15 = 307,372,904.10/x - Step 3: Cross multiply
629,859,176.10x = 944,788,764.15 × 307,372,904.10 - Step 4: Simplify right side
629,859,176.10x = 290,402,466,197,835,456 - Step 5: Solve for x
x = 290,402,466,197,835,456/629,859,176.10 - Step 6: Final answer
x = 461,059,356.15
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Double scale
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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.