Finding the Fourth Proportional to 3,009,145,417.20, 4,513,718,125.80 and 798,350,857.20
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Solution
The fourth proportional to 3,009,145,417.20, 4,513,718,125.80 and 798,350,857.20 is: 1,197,526,285.80
Step by Step Solution
- Step 1: Write the proportion equation
3,009,145,417.20 : 4,513,718,125.80 = 798,350,857.20 : x - Step 2: Convert to fraction form
3,009,145,417.20/4,513,718,125.80 = 798,350,857.20/x - Step 3: Cross multiply
3,009,145,417.20x = 4,513,718,125.80 × 798,350,857.20 - Step 4: Simplify right side
3,009,145,417.20x = 3,603,530,734,891,607,552 - Step 5: Solve for x
x = 3,603,530,734,891,607,552/3,009,145,417.20 - Step 6: Final answer
x = 1,197,526,285.80
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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.