Finding the Fourth Proportional to 1,514,750,101.60, 2,272,125,152.40 and 698,456,725.60
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Solution
The fourth proportional to 1,514,750,101.60, 2,272,125,152.40 and 698,456,725.60 is: 1,047,685,088.40
Step by Step Solution
- Step 1: Write the proportion equation
1,514,750,101.60 : 2,272,125,152.40 = 698,456,725.60 : x - Step 2: Convert to fraction form
1,514,750,101.60/2,272,125,152.40 = 698,456,725.60/x - Step 3: Cross multiply
1,514,750,101.60x = 2,272,125,152.40 × 698,456,725.60 - Step 4: Simplify right side
1,514,750,101.60x = 1,586,981,094,098,705,152 - Step 5: Solve for x
x = 1,586,981,094,098,705,152/1,514,750,101.60 - Step 6: Final answer
x = 1,047,685,088.40
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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.