Finding the Fourth Proportional to 805,771,625.60, 1,208,657,438.40 and 560,883,612.80
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Solution
The fourth proportional to 805,771,625.60, 1,208,657,438.40 and 560,883,612.80 is: 841,325,419.20
Step by Step Solution
- Step 1: Write the proportion equation
805,771,625.60 : 1,208,657,438.40 = 560,883,612.80 : x - Step 2: Convert to fraction form
805,771,625.60/1,208,657,438.40 = 560,883,612.80/x - Step 3: Cross multiply
805,771,625.60x = 1,208,657,438.40 × 560,883,612.80 - Step 4: Simplify right side
805,771,625.60x = 677,916,150,687,385,472 - Step 5: Solve for x
x = 677,916,150,687,385,472/805,771,625.60 - Step 6: Final answer
x = 841,325,419.20
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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.