Finding the Fourth Proportional to 895,149,100.38, 1,226,358,643.39 and 861,599,122.53
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Solution
The fourth proportional to 895,149,100.38, 1,226,358,643.39 and 861,599,122.53 is: 1,180,395,009.73
Step by Step Solution
- Step 1: Write the proportion equation
895,149,100.38 : 1,226,358,643.39 = 861,599,122.53 : x - Step 2: Convert to fraction form
895,149,100.38/1,226,358,643.39 = 861,599,122.53/x - Step 3: Cross multiply
895,149,100.38x = 1,226,358,643.39 × 861,599,122.53 - Step 4: Simplify right side
895,149,100.38x = 1,056,629,531,051,905,280 - Step 5: Solve for x
x = 1,056,629,531,051,905,280/895,149,100.38 - Step 6: Final answer
x = 1,180,395,009.73
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.