Finding the Fourth Proportional to 903,207,515.60, 1,246,864,312.60 and 605,740,944.62
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Solution
The fourth proportional to 903,207,515.60, 1,246,864,312.60 and 605,740,944.62 is: 836,216,211.09
Step by Step Solution
- Step 1: Write the proportion equation
903,207,515.60 : 1,246,864,312.60 = 605,740,944.62 : x - Step 2: Convert to fraction form
903,207,515.60/1,246,864,312.60 = 605,740,944.62/x - Step 3: Cross multiply
903,207,515.60x = 1,246,864,312.60 × 605,740,944.62 - Step 4: Simplify right side
903,207,515.60x = 755,276,766,527,290,880 - Step 5: Solve for x
x = 755,276,766,527,290,880/903,207,515.60 - Step 6: Final answer
x = 836,216,211.09
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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.