Finding the Fourth Proportional to 1,544,602,410.40, 2,316,903,615.60 and 715,554,450.40
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Solution
The fourth proportional to 1,544,602,410.40, 2,316,903,615.60 and 715,554,450.40 is: 1,073,331,675.60
Step by Step Solution
- Step 1: Write the proportion equation
1,544,602,410.40 : 2,316,903,615.60 = 715,554,450.40 : x - Step 2: Convert to fraction form
1,544,602,410.40/2,316,903,615.60 = 715,554,450.40/x - Step 3: Cross multiply
1,544,602,410.40x = 2,316,903,615.60 × 715,554,450.40 - Step 4: Simplify right side
1,544,602,410.40x = 1,657,870,693,290,430,720 - Step 5: Solve for x
x = 1,657,870,693,290,430,720/1,544,602,410.40 - Step 6: Final answer
x = 1,073,331,675.60
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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.