Finding the Fourth Proportional to 888,948,028.05, 1,333,422,042.08 and 766,504,021.65
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Solution
The fourth proportional to 888,948,028.05, 1,333,422,042.08 and 766,504,021.65 is: 1,149,756,032.48
Step by Step Solution
- Step 1: Write the proportion equation
888,948,028.05 : 1,333,422,042.08 = 766,504,021.65 : x - Step 2: Convert to fraction form
888,948,028.05/1,333,422,042.08 = 766,504,021.65/x - Step 3: Cross multiply
888,948,028.05x = 1,333,422,042.08 × 766,504,021.65 - Step 4: Simplify right side
888,948,028.05x = 1,022,073,357,807,243,008 - Step 5: Solve for x
x = 1,022,073,357,807,243,008/888,948,028.05 - Step 6: Final answer
x = 1,149,756,032.48
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Double scale
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Similar ratio
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1.5x scale
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.