Finding the Fourth Proportional to 888,884,452.99, 1,333,356,909.09 and 422,305,072.53
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Solution
The fourth proportional to 888,884,452.99, 1,333,356,909.09 and 422,305,072.53 is: 633,471,970.75
Step by Step Solution
- Step 1: Write the proportion equation
888,884,452.99 : 1,333,356,909.09 = 422,305,072.53 : x - Step 2: Convert to fraction form
888,884,452.99/1,333,356,909.09 = 422,305,072.53/x - Step 3: Cross multiply
888,884,452.99x = 1,333,356,909.09 × 422,305,072.53 - Step 4: Simplify right side
888,884,452.99x = 563,083,386,201,628,992 - Step 5: Solve for x
x = 563,083,386,201,628,992/888,884,452.99 - Step 6: Final answer
x = 633,471,970.75
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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.