Finding the Fourth Proportional to 2,152,368,921.80, 3,228,553,382.70 and 1,968,702,912.20
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Solution
The fourth proportional to 2,152,368,921.80, 3,228,553,382.70 and 1,968,702,912.20 is: 2,953,054,368.30
Step by Step Solution
- Step 1: Write the proportion equation
2,152,368,921.80 : 3,228,553,382.70 = 1,968,702,912.20 : x - Step 2: Convert to fraction form
2,152,368,921.80/3,228,553,382.70 = 1,968,702,912.20/x - Step 3: Cross multiply
2,152,368,921.80x = 3,228,553,382.70 × 1,968,702,912.20 - Step 4: Simplify right side
2,152,368,921.80x = 6,356,062,446,714,650,624 - Step 5: Solve for x
x = 6,356,062,446,714,650,624/2,152,368,921.80 - Step 6: Final answer
x = 2,953,054,368.30
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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.