Finding the Fourth Proportional to 906,912,073.20, 1,360,567,175.40 and 447,070,537.20
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Solution
The fourth proportional to 906,912,073.20, 1,360,567,175.40 and 447,070,537.20 is: 670,703,936.99
Step by Step Solution
- Step 1: Write the proportion equation
906,912,073.20 : 1,360,567,175.40 = 447,070,537.20 : x - Step 2: Convert to fraction form
906,912,073.20/1,360,567,175.40 = 447,070,537.20/x - Step 3: Cross multiply
906,912,073.20x = 1,360,567,175.40 × 447,070,537.20 - Step 4: Simplify right side
906,912,073.20x = 608,269,498,002,764,672 - Step 5: Solve for x
x = 608,269,498,002,764,672/906,912,073.20 - Step 6: Final answer
x = 670,703,936.99
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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.