Finding the Fourth Proportional to 973,743,311.66, 1,343,798,267.56 and 533,711,291.18
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Solution
The fourth proportional to 973,743,311.66, 1,343,798,267.56 and 533,711,291.18 is: 736,539,393.78
Step by Step Solution
- Step 1: Write the proportion equation
973,743,311.66 : 1,343,798,267.56 = 533,711,291.18 : x - Step 2: Convert to fraction form
973,743,311.66/1,343,798,267.56 = 533,711,291.18/x - Step 3: Cross multiply
973,743,311.66x = 1,343,798,267.56 × 533,711,291.18 - Step 4: Simplify right side
973,743,311.66x = 717,200,308,464,894,720 - Step 5: Solve for x
x = 717,200,308,464,894,720/973,743,311.66 - Step 6: Final answer
x = 736,539,393.78
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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.