Finding the Fourth Proportional to 480,197,958.60, 662,417,560.44 and 292,083,787.80
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Solution
The fourth proportional to 480,197,958.60, 662,417,560.44 and 292,083,787.80 is: 402,920,143.02
Step by Step Solution
- Step 1: Write the proportion equation
480,197,958.60 : 662,417,560.44 = 292,083,787.80 : x - Step 2: Convert to fraction form
480,197,958.60/662,417,560.44 = 292,083,787.80/x - Step 3: Cross multiply
480,197,958.60x = 662,417,560.44 × 292,083,787.80 - Step 4: Simplify right side
480,197,958.60x = 193,481,430,158,550,656 - Step 5: Solve for x
x = 193,481,430,158,550,656/480,197,958.60 - Step 6: Final answer
x = 402,920,143.02
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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.