Finding the Fourth Proportional to 706,915,291.21, 1,059,645,366.64 and 313,627,333.75
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Solution
The fourth proportional to 706,915,291.21, 1,059,645,366.64 and 313,627,333.75 is: 470,118,209.62
Step by Step Solution
- Step 1: Write the proportion equation
706,915,291.21 : 1,059,645,366.64 = 313,627,333.75 : x - Step 2: Convert to fraction form
706,915,291.21/1,059,645,366.64 = 313,627,333.75/x - Step 3: Cross multiply
706,915,291.21x = 1,059,645,366.64 × 313,627,333.75 - Step 4: Simplify right side
706,915,291.21x = 332,333,751,059,844,416 - Step 5: Solve for x
x = 332,333,751,059,844,416/706,915,291.21 - Step 6: Final answer
x = 470,118,209.62
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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.