Finding the Fourth Proportional to 542,284,800.66, 748,434,827.68 and 330,714,374.18
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Solution
The fourth proportional to 542,284,800.66, 748,434,827.68 and 330,714,374.18 is: 456,435,724.09
Step by Step Solution
- Step 1: Write the proportion equation
542,284,800.66 : 748,434,827.68 = 330,714,374.18 : x - Step 2: Convert to fraction form
542,284,800.66/748,434,827.68 = 330,714,374.18/x - Step 3: Cross multiply
542,284,800.66x = 748,434,827.68 × 330,714,374.18 - Step 4: Simplify right side
542,284,800.66x = 247,518,155,650,707,328 - Step 5: Solve for x
x = 247,518,155,650,707,328/542,284,800.66 - Step 6: Final answer
x = 456,435,724.09
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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.