Finding the Fourth Proportional to 598,766,435.20, 898,149,652.80 and 276,280,163.20
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Solution
The fourth proportional to 598,766,435.20, 898,149,652.80 and 276,280,163.20 is: 414,420,244.80
Step by Step Solution
- Step 1: Write the proportion equation
598,766,435.20 : 898,149,652.80 = 276,280,163.20 : x - Step 2: Convert to fraction form
598,766,435.20/898,149,652.80 = 276,280,163.20/x - Step 3: Cross multiply
598,766,435.20x = 898,149,652.80 × 276,280,163.20 - Step 4: Simplify right side
598,766,435.20x = 248,140,932,653,607,328 - Step 5: Solve for x
x = 248,140,932,653,607,328/598,766,435.20 - Step 6: Final answer
x = 414,420,244.80
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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.