Finding the Fourth Proportional to 2,156,544,000.60, 3,234,816,000.90 and 1,430,352,691.80
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Solution
The fourth proportional to 2,156,544,000.60, 3,234,816,000.90 and 1,430,352,691.80 is: 2,145,529,037.70
Step by Step Solution
- Step 1: Write the proportion equation
2,156,544,000.60 : 3,234,816,000.90 = 1,430,352,691.80 : x - Step 2: Convert to fraction form
2,156,544,000.60/3,234,816,000.90 = 1,430,352,691.80/x - Step 3: Cross multiply
2,156,544,000.60x = 3,234,816,000.90 × 1,430,352,691.80 - Step 4: Simplify right side
2,156,544,000.60x = 4,626,927,774,365,026,304 - Step 5: Solve for x
x = 4,626,927,774,365,026,304/2,156,544,000.60 - Step 6: Final answer
x = 2,145,529,037.70
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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.