Finding the Fourth Proportional to 625,295,297.68, 862,904,746.56 and 357,366,660.28
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Solution
The fourth proportional to 625,295,297.68, 862,904,746.56 and 357,366,660.28 is: 493,164,411.38
Step by Step Solution
- Step 1: Write the proportion equation
625,295,297.68 : 862,904,746.56 = 357,366,660.28 : x - Step 2: Convert to fraction form
625,295,297.68/862,904,746.56 = 357,366,660.28/x - Step 3: Cross multiply
625,295,297.68x = 862,904,746.56 × 357,366,660.28 - Step 4: Simplify right side
625,295,297.68x = 308,373,387,417,906,944 - Step 5: Solve for x
x = 308,373,387,417,906,944/625,295,297.68 - Step 6: Final answer
x = 493,164,411.38
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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.