Finding the Fourth Proportional to 638,360,266.32, 955,430,577.84 and 580,996,524.96
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Solution
The fourth proportional to 638,360,266.32, 955,430,577.84 and 580,996,524.96 is: 869,574,556.65
Step by Step Solution
- Step 1: Write the proportion equation
638,360,266.32 : 955,430,577.84 = 580,996,524.96 : x - Step 2: Convert to fraction form
638,360,266.32/955,430,577.84 = 580,996,524.96/x - Step 3: Cross multiply
638,360,266.32x = 955,430,577.84 × 580,996,524.96 - Step 4: Simplify right side
638,360,266.32x = 555,101,845,565,564,864 - Step 5: Solve for x
x = 555,101,845,565,564,864/638,360,266.32 - Step 6: Final answer
x = 869,574,556.65
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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.