Finding the Fourth Proportional to 893,270,820.14, 1,232,706,928.88 and 491,375,936.93
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Solution
The fourth proportional to 893,270,820.14, 1,232,706,928.88 and 491,375,936.93 is: 678,095,050.77
Step by Step Solution
- Step 1: Write the proportion equation
893,270,820.14 : 1,232,706,928.88 = 491,375,936.93 : x - Step 2: Convert to fraction form
893,270,820.14/1,232,706,928.88 = 491,375,936.93/x - Step 3: Cross multiply
893,270,820.14x = 1,232,706,928.88 × 491,375,936.93 - Step 4: Simplify right side
893,270,820.14x = 605,722,522,134,167,424 - Step 5: Solve for x
x = 605,722,522,134,167,424/893,270,820.14 - Step 6: Final answer
x = 678,095,050.77
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1.5x scale
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.