Finding the Fourth Proportional to 1,337,126,708.40, 2,005,690,062.60 and 1,107,355,239.60
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Solution
The fourth proportional to 1,337,126,708.40, 2,005,690,062.60 and 1,107,355,239.60 is: 1,661,032,859.40
Step by Step Solution
- Step 1: Write the proportion equation
1,337,126,708.40 : 2,005,690,062.60 = 1,107,355,239.60 : x - Step 2: Convert to fraction form
1,337,126,708.40/2,005,690,062.60 = 1,107,355,239.60/x - Step 3: Cross multiply
1,337,126,708.40x = 2,005,690,062.60 × 1,107,355,239.60 - Step 4: Simplify right side
1,337,126,708.40x = 2,221,011,399,833,761,792 - Step 5: Solve for x
x = 2,221,011,399,833,761,792/1,337,126,708.40 - Step 6: Final answer
x = 1,661,032,859.40
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.