Finding the Fourth Proportional to 408,854,304,043.20, 613,281,456,064.80 and 339,197,269,291.20
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Solution
The fourth proportional to 408,854,304,043.20, 613,281,456,064.80 and 339,197,269,291.20 is: 508,795,903,936.80
Step by Step Solution
- Step 1: Write the proportion equation
408,854,304,043.20 : 613,281,456,064.80 = 339,197,269,291.20 : x - Step 2: Convert to fraction form
408,854,304,043.20/613,281,456,064.80 = 339,197,269,291.20/x - Step 3: Cross multiply
408,854,304,043.20x = 613,281,456,064.80 × 339,197,269,291.20 - Step 4: Simplify right side
408,854,304,043.20x = 208,023,395,204,111,236,333,568 - Step 5: Solve for x
x = 208,023,395,204,111,236,333,568/408,854,304,043.20 - Step 6: Final answer
x = 508,795,903,936.80
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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.