Finding the Fourth Proportional to 607,362,451.21, 838,160,990.99 and 328,904,454.97
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Solution
The fourth proportional to 607,362,451.21, 838,160,990.99 and 328,904,454.97 is: 453,888,585.59
Step by Step Solution
- Step 1: Write the proportion equation
607,362,451.21 : 838,160,990.99 = 328,904,454.97 : x - Step 2: Convert to fraction form
607,362,451.21/838,160,990.99 = 328,904,454.97/x - Step 3: Cross multiply
607,362,451.21x = 838,160,990.99 × 328,904,454.97 - Step 4: Simplify right side
607,362,451.21x = 275,674,883,918,681,056 - Step 5: Solve for x
x = 275,674,883,918,681,056/607,362,451.21 - Step 6: Final answer
x = 453,888,585.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.