Finding the Fourth Proportional to 744,624,435.96, 1,027,548,560.52 and 426,856,875.12
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Solution
The fourth proportional to 744,624,435.96, 1,027,548,560.52 and 426,856,875.12 is: 589,043,478.02
Step by Step Solution
- Step 1: Write the proportion equation
744,624,435.96 : 1,027,548,560.52 = 426,856,875.12 : x - Step 2: Convert to fraction form
744,624,435.96/1,027,548,560.52 = 426,856,875.12/x - Step 3: Cross multiply
744,624,435.96x = 1,027,548,560.52 × 426,856,875.12 - Step 4: Simplify right side
744,624,435.96x = 438,616,167,577,621,376 - Step 5: Solve for x
x = 438,616,167,577,621,376/744,624,435.96 - Step 6: Final answer
x = 589,043,478.02
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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.