Finding the Fourth Proportional to 2,420,478,507.36, 3,340,384,461.36 and 1,480,385,880.48
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Solution
The fourth proportional to 2,420,478,507.36, 3,340,384,461.36 and 1,480,385,880.48 is: 2,043,008,428.68
Step by Step Solution
- Step 1: Write the proportion equation
2,420,478,507.36 : 3,340,384,461.36 = 1,480,385,880.48 : x - Step 2: Convert to fraction form
2,420,478,507.36/3,340,384,461.36 = 1,480,385,880.48/x - Step 3: Cross multiply
2,420,478,507.36x = 3,340,384,461.36 × 1,480,385,880.48 - Step 4: Simplify right side
2,420,478,507.36x = 4,945,057,991,972,133,888 - Step 5: Solve for x
x = 4,945,057,991,972,133,888/2,420,478,507.36 - Step 6: Final answer
x = 2,043,008,428.68
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.