Finding the Fourth Proportional to 2,282,256,420.40, 3,423,384,630.60 and 2,128,067,671.60
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Solution
The fourth proportional to 2,282,256,420.40, 3,423,384,630.60 and 2,128,067,671.60 is: 3,192,101,507.40
Step by Step Solution
- Step 1: Write the proportion equation
2,282,256,420.40 : 3,423,384,630.60 = 2,128,067,671.60 : x - Step 2: Convert to fraction form
2,282,256,420.40/3,423,384,630.60 = 2,128,067,671.60/x - Step 3: Cross multiply
2,282,256,420.40x = 3,423,384,630.60 × 2,128,067,671.60 - Step 4: Simplify right side
2,282,256,420.40x = 7,285,194,159,832,167,424 - Step 5: Solve for x
x = 7,285,194,159,832,167,424/2,282,256,420.40 - Step 6: Final answer
x = 3,192,101,507.40
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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.