Finding the Fourth Proportional to 2,125,768,900.40, 3,188,653,350.60 and 1,853,671,108.40
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Solution
The fourth proportional to 2,125,768,900.40, 3,188,653,350.60 and 1,853,671,108.40 is: 2,780,506,662.60
Step by Step Solution
- Step 1: Write the proportion equation
2,125,768,900.40 : 3,188,653,350.60 = 1,853,671,108.40 : x - Step 2: Convert to fraction form
2,125,768,900.40/3,188,653,350.60 = 1,853,671,108.40/x - Step 3: Cross multiply
2,125,768,900.40x = 3,188,653,350.60 × 1,853,671,108.40 - Step 4: Simplify right side
2,125,768,900.40x = 5,910,714,590,710,076,416 - Step 5: Solve for x
x = 5,910,714,590,710,076,416/2,125,768,900.40 - Step 6: Final answer
x = 2,780,506,662.60
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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.