Finding the Fourth Proportional to 772,101,641.76, 1,158,306,580.49 and 403,802,399.94
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Solution
The fourth proportional to 772,101,641.76, 1,158,306,580.49 and 403,802,399.94 is: 605,784,202.19
Step by Step Solution
- Step 1: Write the proportion equation
772,101,641.76 : 1,158,306,580.49 = 403,802,399.94 : x - Step 2: Convert to fraction form
772,101,641.76/1,158,306,580.49 = 403,802,399.94/x - Step 3: Cross multiply
772,101,641.76x = 1,158,306,580.49 × 403,802,399.94 - Step 4: Simplify right side
772,101,641.76x = 467,726,977,066,137,728 - Step 5: Solve for x
x = 467,726,977,066,137,728/772,101,641.76 - Step 6: Final answer
x = 605,784,202.19
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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.