Finding the Fourth Proportional to 957,252,644.20, 1,435,679,900.70 and 412,011,965.80
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Solution
The fourth proportional to 957,252,644.20, 1,435,679,900.70 and 412,011,965.80 is: 617,932,268.70
Step by Step Solution
- Step 1: Write the proportion equation
957,252,644.20 : 1,435,679,900.70 = 412,011,965.80 : x - Step 2: Convert to fraction form
957,252,644.20/1,435,679,900.70 = 412,011,965.80/x - Step 3: Cross multiply
957,252,644.20x = 1,435,679,900.70 × 412,011,965.80 - Step 4: Simplify right side
957,252,644.20x = 591,517,298,146,955,776 - Step 5: Solve for x
x = 591,517,298,146,955,776/957,252,644.20 - Step 6: Final answer
x = 617,932,268.70
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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.