Finding the Fourth Proportional to 1,036,278,478.80, 1,553,422,390.20 and 599,130,421.20
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Solution
The fourth proportional to 1,036,278,478.80, 1,553,422,390.20 and 599,130,421.20 is: 898,120,177.14
Step by Step Solution
- Step 1: Write the proportion equation
1,036,278,478.80 : 1,553,422,390.20 = 599,130,421.20 : x - Step 2: Convert to fraction form
1,036,278,478.80/1,553,422,390.20 = 599,130,421.20/x - Step 3: Cross multiply
1,036,278,478.80x = 1,553,422,390.20 × 599,130,421.20 - Step 4: Simplify right side
1,036,278,478.80x = 930,702,610,942,036,864 - Step 5: Solve for x
x = 930,702,610,942,036,864/1,036,278,478.80 - Step 6: Final answer
x = 898,120,177.14
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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.