Finding the Fourth Proportional to 663,552,459.20, 995,328,688.80 and 585,618,276.80
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Solution
The fourth proportional to 663,552,459.20, 995,328,688.80 and 585,618,276.80 is: 878,427,415.20
Step by Step Solution
- Step 1: Write the proportion equation
663,552,459.20 : 995,328,688.80 = 585,618,276.80 : x - Step 2: Convert to fraction form
663,552,459.20/995,328,688.80 = 585,618,276.80/x - Step 3: Cross multiply
663,552,459.20x = 995,328,688.80 × 585,618,276.80 - Step 4: Simplify right side
663,552,459.20x = 582,882,671,584,659,328 - Step 5: Solve for x
x = 582,882,671,584,659,328/663,552,459.20 - Step 6: Final answer
x = 878,427,415.20
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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.