Finding the Fourth Proportional to 2,018,348,543.70, 3,028,089,685.95 and 983,243,193.30
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Solution
The fourth proportional to 2,018,348,543.70, 3,028,089,685.95 and 983,243,193.30 is: 1,475,140,942.19
Step by Step Solution
- Step 1: Write the proportion equation
2,018,348,543.70 : 3,028,089,685.95 = 983,243,193.30 : x - Step 2: Convert to fraction form
2,018,348,543.70/3,028,089,685.95 = 983,243,193.30/x - Step 3: Cross multiply
2,018,348,543.70x = 3,028,089,685.95 × 983,243,193.30 - Step 4: Simplify right side
2,018,348,543.70x = 2,977,348,572,412,271,616 - Step 5: Solve for x
x = 2,977,348,572,412,271,616/2,018,348,543.70 - Step 6: Final answer
x = 1,475,140,942.19
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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.