Finding the Fourth Proportional to 275,721,398.60, 413,156,945.10 and 239,158,257.80
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Solution
The fourth proportional to 275,721,398.60, 413,156,945.10 and 239,158,257.80 is: 358,368,612.99
Step by Step Solution
- Step 1: Write the proportion equation
275,721,398.60 : 413,156,945.10 = 239,158,257.80 : x - Step 2: Convert to fraction form
275,721,398.60/413,156,945.10 = 239,158,257.80/x - Step 3: Cross multiply
275,721,398.60x = 413,156,945.10 × 239,158,257.80 - Step 4: Simplify right side
275,721,398.60x = 98,809,895,188,086,256 - Step 5: Solve for x
x = 98,809,895,188,086,256/275,721,398.60 - Step 6: Final answer
x = 358,368,612.99
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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.