Finding the Fourth Proportional to 413,831,245.16, 570,873,398.28 and 257,138,818.76
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Solution
The fourth proportional to 413,831,245.16, 570,873,398.28 and 257,138,818.76 is: 354,718,772.48
Step by Step Solution
- Step 1: Write the proportion equation
413,831,245.16 : 570,873,398.28 = 257,138,818.76 : x - Step 2: Convert to fraction form
413,831,245.16/570,873,398.28 = 257,138,818.76/x - Step 3: Cross multiply
413,831,245.16x = 570,873,398.28 × 257,138,818.76 - Step 4: Simplify right side
413,831,245.16x = 146,793,711,295,226,208 - Step 5: Solve for x
x = 146,793,711,295,226,208/413,831,245.16 - Step 6: Final answer
x = 354,718,772.48
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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.