Finding the Fourth Proportional to 351,818,367.18, 485,515,765.95 and 193,056,680.46
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Solution
The fourth proportional to 351,818,367.18, 485,515,765.95 and 193,056,680.46 is: 266,421,741.53
Step by Step Solution
- Step 1: Write the proportion equation
351,818,367.18 : 485,515,765.95 = 193,056,680.46 : x - Step 2: Convert to fraction form
351,818,367.18/485,515,765.95 = 193,056,680.46/x - Step 3: Cross multiply
351,818,367.18x = 485,515,765.95 × 193,056,680.46 - Step 4: Simplify right side
351,818,367.18x = 93,732,062,085,301,296 - Step 5: Solve for x
x = 93,732,062,085,301,296/351,818,367.18 - Step 6: Final answer
x = 266,421,741.53
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.