Finding the Fourth Proportional to 2,125,765,898.40, 3,188,648,847.60 and 1,090,731,406.80
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Solution
The fourth proportional to 2,125,765,898.40, 3,188,648,847.60 and 1,090,731,406.80 is: 1,636,097,110.20
Step by Step Solution
- Step 1: Write the proportion equation
2,125,765,898.40 : 3,188,648,847.60 = 1,090,731,406.80 : x - Step 2: Convert to fraction form
2,125,765,898.40/3,188,648,847.60 = 1,090,731,406.80/x - Step 3: Cross multiply
2,125,765,898.40x = 3,188,648,847.60 × 1,090,731,406.80 - Step 4: Simplify right side
2,125,765,898.40x = 3,477,959,443,333,946,368 - Step 5: Solve for x
x = 3,477,959,443,333,946,368/2,125,765,898.40 - Step 6: Final answer
x = 1,636,097,110.20
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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.