Finding the Fourth Proportional to 973,743,310.66, 1,343,798,266.18 and 533,711,290.18
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Solution
The fourth proportional to 973,743,310.66, 1,343,798,266.18 and 533,711,290.18 is: 736,539,392.40
Step by Step Solution
- Step 1: Write the proportion equation
973,743,310.66 : 1,343,798,266.18 = 533,711,290.18 : x - Step 2: Convert to fraction form
973,743,310.66/1,343,798,266.18 = 533,711,290.18/x - Step 3: Cross multiply
973,743,310.66x = 1,343,798,266.18 × 533,711,290.18 - Step 4: Simplify right side
973,743,310.66x = 717,200,306,384,574,848 - Step 5: Solve for x
x = 717,200,306,384,574,848/973,743,310.66 - Step 6: Final answer
x = 736,539,392.40
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1.5x scale
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.