Finding the Fourth Proportional to 805,766,416.60, 1,208,649,624.90 and 560,878,403.80
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Solution
The fourth proportional to 805,766,416.60, 1,208,649,624.90 and 560,878,403.80 is: 841,317,605.70
Step by Step Solution
- Step 1: Write the proportion equation
805,766,416.60 : 1,208,649,624.90 = 560,878,403.80 : x - Step 2: Convert to fraction form
805,766,416.60/1,208,649,624.90 = 560,878,403.80/x - Step 3: Cross multiply
805,766,416.60x = 1,208,649,624.90 × 560,878,403.80 - Step 4: Simplify right side
805,766,416.60x = 677,905,472,367,380,736 - Step 5: Solve for x
x = 677,905,472,367,380,736/805,766,416.60 - Step 6: Final answer
x = 841,317,605.70
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1.5x scale
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.