Finding the Fourth Proportional to 866,114,426.70, 1,299,171,640.05 and 283,708,234.80
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Solution
The fourth proportional to 866,114,426.70, 1,299,171,640.05 and 283,708,234.80 is: 425,562,352.20
Step by Step Solution
- Step 1: Write the proportion equation
866,114,426.70 : 1,299,171,640.05 = 283,708,234.80 : x - Step 2: Convert to fraction form
866,114,426.70/1,299,171,640.05 = 283,708,234.80/x - Step 3: Cross multiply
866,114,426.70x = 1,299,171,640.05 × 283,708,234.80 - Step 4: Simplify right side
866,114,426.70x = 368,585,692,700,806,464 - Step 5: Solve for x
x = 368,585,692,700,806,464/866,114,426.70 - Step 6: Final answer
x = 425,562,352.20
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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.