Finding the Fourth Proportional to 1,486,176,078.40, 2,229,264,117.60 and 996,400,052.80
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Solution
The fourth proportional to 1,486,176,078.40, 2,229,264,117.60 and 996,400,052.80 is: 1,494,600,079.20
Step by Step Solution
- Step 1: Write the proportion equation
1,486,176,078.40 : 2,229,264,117.60 = 996,400,052.80 : x - Step 2: Convert to fraction form
1,486,176,078.40/2,229,264,117.60 = 996,400,052.80/x - Step 3: Cross multiply
1,486,176,078.40x = 2,229,264,117.60 × 996,400,052.80 - Step 4: Simplify right side
1,486,176,078.40x = 2,221,238,884,481,785,088 - Step 5: Solve for x
x = 2,221,238,884,481,785,088/1,486,176,078.40 - Step 6: Final answer
x = 1,494,600,079.20
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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.