Finding the Fourth Proportional to 973,743,299.79, 1,343,798,251.16 and 533,711,279.31
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Solution
The fourth proportional to 973,743,299.79, 1,343,798,251.16 and 533,711,279.31 is: 736,539,377.39
Step by Step Solution
- Step 1: Write the proportion equation
973,743,299.79 : 1,343,798,251.16 = 533,711,279.31 : x - Step 2: Convert to fraction form
973,743,299.79/1,343,798,251.16 = 533,711,279.31/x - Step 3: Cross multiply
973,743,299.79x = 1,343,798,251.16 × 533,711,279.31 - Step 4: Simplify right side
973,743,299.79x = 717,200,283,761,144,320 - Step 5: Solve for x
x = 717,200,283,761,144,320/973,743,299.79 - Step 6: Final answer
x = 736,539,377.39
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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.