Finding the Fourth Proportional to 351,159,807.40, 484,595,285.70 and 194,526,445.48
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Solution
The fourth proportional to 351,159,807.40, 484,595,285.70 and 194,526,445.48 is: 268,443,587.33
Step by Step Solution
- Step 1: Write the proportion equation
351,159,807.40 : 484,595,285.70 = 194,526,445.48 : x - Step 2: Convert to fraction form
351,159,807.40/484,595,285.70 = 194,526,445.48/x - Step 3: Cross multiply
351,159,807.40x = 484,595,285.70 × 194,526,445.48 - Step 4: Simplify right side
351,159,807.40x = 94,266,598,423,586,064 - Step 5: Solve for x
x = 94,266,598,423,586,064/351,159,807.40 - Step 6: Final answer
x = 268,443,587.33
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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.