Finding the Fourth Proportional to 965,688,287.60, 1,448,532,431.40 and 352,292,524.40
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Solution
The fourth proportional to 965,688,287.60, 1,448,532,431.40 and 352,292,524.40 is: 528,438,786.60
Step by Step Solution
- Step 1: Write the proportion equation
965,688,287.60 : 1,448,532,431.40 = 352,292,524.40 : x - Step 2: Convert to fraction form
965,688,287.60/1,448,532,431.40 = 352,292,524.40/x - Step 3: Cross multiply
965,688,287.60x = 1,448,532,431.40 × 352,292,524.40 - Step 4: Simplify right side
965,688,287.60x = 510,307,146,933,175,808 - Step 5: Solve for x
x = 510,307,146,933,175,808/965,688,287.60 - Step 6: Final answer
x = 528,438,786.60
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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.