Finding the Fourth Proportional to 1,796,221,957.07, 2,478,759,920.62 and 1,003,279,508.12
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Solution
The fourth proportional to 1,796,221,957.07, 2,478,759,920.62 and 1,003,279,508.12 is: 1,384,510,986.58
Step by Step Solution
- Step 1: Write the proportion equation
1,796,221,957.07 : 2,478,759,920.62 = 1,003,279,508.12 : x - Step 2: Convert to fraction form
1,796,221,957.07/2,478,759,920.62 = 1,003,279,508.12/x - Step 3: Cross multiply
1,796,221,957.07x = 2,478,759,920.62 × 1,003,279,508.12 - Step 4: Simplify right side
1,796,221,957.07x = 2,486,889,033,907,203,584 - Step 5: Solve for x
x = 2,486,889,033,907,203,584/1,796,221,957.07 - Step 6: Final answer
x = 1,384,510,986.58
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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.