Finding the Fourth Proportional to 1,679,620,106.40, 2,519,430,159.60 and 1,546,972,432.80
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Solution
The fourth proportional to 1,679,620,106.40, 2,519,430,159.60 and 1,546,972,432.80 is: 2,320,458,649.20
Step by Step Solution
- Step 1: Write the proportion equation
1,679,620,106.40 : 2,519,430,159.60 = 1,546,972,432.80 : x - Step 2: Convert to fraction form
1,679,620,106.40/2,519,430,159.60 = 1,546,972,432.80/x - Step 3: Cross multiply
1,679,620,106.40x = 2,519,430,159.60 × 1,546,972,432.80 - Step 4: Simplify right side
1,679,620,106.40x = 3,897,489,003,266,103,808 - Step 5: Solve for x
x = 3,897,489,003,266,103,808/1,679,620,106.40 - Step 6: Final answer
x = 2,320,458,649.20
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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.