Finding the Fourth Proportional to 472,396,345.30, 708,594,517.95 and 443,674,911.70
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Solution
The fourth proportional to 472,396,345.30, 708,594,517.95 and 443,674,911.70 is: 665,512,367.55
Step by Step Solution
- Step 1: Write the proportion equation
472,396,345.30 : 708,594,517.95 = 443,674,911.70 : x - Step 2: Convert to fraction form
472,396,345.30/708,594,517.95 = 443,674,911.70/x - Step 3: Cross multiply
472,396,345.30x = 708,594,517.95 × 443,674,911.70 - Step 4: Simplify right side
472,396,345.30x = 314,385,610,182,570,304 - Step 5: Solve for x
x = 314,385,610,182,570,304/472,396,345.30 - Step 6: Final answer
x = 665,512,367.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.