Finding the Fourth Proportional to 599,461,928.13, 827,215,465.01 and 348,548,518.80
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Solution
The fourth proportional to 599,461,928.13, 827,215,465.01 and 348,548,518.80 is: 480,972,538.09
Step by Step Solution
- Step 1: Write the proportion equation
599,461,928.13 : 827,215,465.01 = 348,548,518.80 : x - Step 2: Convert to fraction form
599,461,928.13/827,215,465.01 = 348,548,518.80/x - Step 3: Cross multiply
599,461,928.13x = 827,215,465.01 × 348,548,518.80 - Step 4: Simplify right side
599,461,928.13x = 288,324,725,059,878,976 - Step 5: Solve for x
x = 288,324,725,059,878,976/599,461,928.13 - Step 6: Final answer
x = 480,972,538.09
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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.