Finding the Fourth Proportional to 746,420,546.76, 1,030,265,232.30 and 433,255,652.70
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Solution
The fourth proportional to 746,420,546.76, 1,030,265,232.30 and 433,255,652.70 is: 598,011,720.89
Step by Step Solution
- Step 1: Write the proportion equation
746,420,546.76 : 1,030,265,232.30 = 433,255,652.70 : x - Step 2: Convert to fraction form
746,420,546.76/1,030,265,232.30 = 433,255,652.70/x - Step 3: Cross multiply
746,420,546.76x = 1,030,265,232.30 × 433,255,652.70 - Step 4: Simplify right side
746,420,546.76x = 446,368,235,674,253,568 - Step 5: Solve for x
x = 446,368,235,674,253,568/746,420,546.76 - Step 6: Final answer
x = 598,011,720.89
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Double scale
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.