Finding the Fourth Proportional to 1,624,101,340.60, 2,241,201,860.40 and 919,238,188.42
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Solution
The fourth proportional to 1,624,101,340.60, 2,241,201,860.40 and 919,238,188.42 is: 1,268,515,878.00
Step by Step Solution
- Step 1: Write the proportion equation
1,624,101,340.60 : 2,241,201,860.40 = 919,238,188.42 : x - Step 2: Convert to fraction form
1,624,101,340.60/2,241,201,860.40 = 919,238,188.42/x - Step 3: Cross multiply
1,624,101,340.60x = 2,241,201,860.40 × 919,238,188.42 - Step 4: Simplify right side
1,624,101,340.60x = 2,060,198,338,037,629,696 - Step 5: Solve for x
x = 2,060,198,338,037,629,696/1,624,101,340.60 - Step 6: Final answer
x = 1,268,515,878.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.