Finding the Fourth Proportional to 744,624,355.23, 1,027,548,449.33 and 426,856,794.53
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Solution
The fourth proportional to 744,624,355.23, 1,027,548,449.33 and 426,856,794.53 is: 589,043,366.92
Step by Step Solution
- Step 1: Write the proportion equation
744,624,355.23 : 1,027,548,449.33 = 426,856,794.53 : x - Step 2: Convert to fraction form
744,624,355.23/1,027,548,449.33 = 426,856,794.53/x - Step 3: Cross multiply
744,624,355.23x = 1,027,548,449.33 × 426,856,794.53 - Step 4: Simplify right side
744,624,355.23x = 438,616,037,298,003,904 - Step 5: Solve for x
x = 438,616,037,298,003,904/744,624,355.23 - Step 6: Final answer
x = 589,043,366.92
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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.