Finding the Fourth Proportional to 973,743,330.72, 1,343,798,293.68 and 533,711,310.24
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Solution
The fourth proportional to 973,743,330.72, 1,343,798,293.68 and 533,711,310.24 is: 736,539,419.98
Step by Step Solution
- Step 1: Write the proportion equation
973,743,330.72 : 1,343,798,293.68 = 533,711,310.24 : x - Step 2: Convert to fraction form
973,743,330.72/1,343,798,293.68 = 533,711,310.24/x - Step 3: Cross multiply
973,743,330.72x = 1,343,798,293.68 × 533,711,310.24 - Step 4: Simplify right side
973,743,330.72x = 717,200,348,018,229,120 - Step 5: Solve for x
x = 717,200,348,018,229,120/973,743,330.72 - Step 6: Final answer
x = 736,539,419.98
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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.