Finding the Fourth Proportional to 610,310,081.68, 915,465,122.51 and 179,488,577.68
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Solution
The fourth proportional to 610,310,081.68, 915,465,122.51 and 179,488,577.68 is: 269,232,866.52
Step by Step Solution
- Step 1: Write the proportion equation
610,310,081.68 : 915,465,122.51 = 179,488,577.68 : x - Step 2: Convert to fraction form
610,310,081.68/915,465,122.51 = 179,488,577.68/x - Step 3: Cross multiply
610,310,081.68x = 915,465,122.51 × 179,488,577.68 - Step 4: Simplify right side
610,310,081.68x = 164,315,532,753,126,912 - Step 5: Solve for x
x = 164,315,532,753,126,912/610,310,081.68 - Step 6: Final answer
x = 269,232,866.52
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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.