Finding the Fourth Proportional to 2,018,348,528.20, 3,028,089,662.70 and 983,243,177.80
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Solution
The fourth proportional to 2,018,348,528.20, 3,028,089,662.70 and 983,243,177.80 is: 1,475,140,918.93
Step by Step Solution
- Step 1: Write the proportion equation
2,018,348,528.20 : 3,028,089,662.70 = 983,243,177.80 : x - Step 2: Convert to fraction form
2,018,348,528.20/3,028,089,662.70 = 983,243,177.80/x - Step 3: Cross multiply
2,018,348,528.20x = 3,028,089,662.70 × 983,243,177.80 - Step 4: Simplify right side
2,018,348,528.20x = 2,977,348,502,616,477,696 - Step 5: Solve for x
x = 2,977,348,502,616,477,696/2,018,348,528.20 - Step 6: Final answer
x = 1,475,140,918.93
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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.