Finding the Fourth Proportional to 752,514,690.60, 1,128,332,711.34 and 291,914,644.68
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Solution
The fourth proportional to 752,514,690.60, 1,128,332,711.34 and 291,914,644.68 is: 437,701,544.74
Step by Step Solution
- Step 1: Write the proportion equation
752,514,690.60 : 1,128,332,711.34 = 291,914,644.68 : x - Step 2: Convert to fraction form
752,514,690.60/1,128,332,711.34 = 291,914,644.68/x - Step 3: Cross multiply
752,514,690.60x = 1,128,332,711.34 × 291,914,644.68 - Step 4: Simplify right side
752,514,690.60x = 329,376,842,511,637,120 - Step 5: Solve for x
x = 329,376,842,511,637,120/752,514,690.60 - Step 6: Final answer
x = 437,701,544.74
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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.