Finding the Fourth Proportional to 1,679,620,512.90, 2,519,430,769.35 and 1,546,972,839.30
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Solution
The fourth proportional to 1,679,620,512.90, 2,519,430,769.35 and 1,546,972,839.30 is: 2,320,459,258.95
Step by Step Solution
- Step 1: Write the proportion equation
1,679,620,512.90 : 2,519,430,769.35 = 1,546,972,839.30 : x - Step 2: Convert to fraction form
1,679,620,512.90/2,519,430,769.35 = 1,546,972,839.30/x - Step 3: Cross multiply
1,679,620,512.90x = 2,519,430,769.35 × 1,546,972,839.30 - Step 4: Simplify right side
1,679,620,512.90x = 3,897,490,970,681,152,512 - Step 5: Solve for x
x = 3,897,490,970,681,152,512/1,679,620,512.90 - Step 6: Final answer
x = 2,320,459,258.95
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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.