Finding the Fourth Proportional to 764,134,478.20, 1,146,426,599.22 and 246,555,209.08
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Solution
The fourth proportional to 764,134,478.20, 1,146,426,599.22 and 246,555,209.08 is: 369,905,373.90
Step by Step Solution
- Step 1: Write the proportion equation
764,134,478.20 : 1,146,426,599.22 = 246,555,209.08 : x - Step 2: Convert to fraction form
764,134,478.20/1,146,426,599.22 = 246,555,209.08/x - Step 3: Cross multiply
764,134,478.20x = 1,146,426,599.22 × 246,555,209.08 - Step 4: Simplify right side
764,134,478.20x = 282,657,449,865,560,480 - Step 5: Solve for x
x = 282,657,449,865,560,480/764,134,478.20 - Step 6: Final answer
x = 369,905,373.90
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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.