Finding the Fourth Proportional to 3,248,202,643.80, 4,482,403,669.28 and 1,838,476,339.45
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Solution
The fourth proportional to 3,248,202,643.80, 4,482,403,669.28 and 1,838,476,339.45 is: 2,537,031,704.46
Step by Step Solution
- Step 1: Write the proportion equation
3,248,202,643.80 : 4,482,403,669.28 = 1,838,476,339.45 : x - Step 2: Convert to fraction form
3,248,202,643.80/4,482,403,669.28 = 1,838,476,339.45/x - Step 3: Cross multiply
3,248,202,643.80x = 4,482,403,669.28 × 1,838,476,339.45 - Step 4: Simplify right side
3,248,202,643.80x = 8,240,793,089,825,949,696 - Step 5: Solve for x
x = 8,240,793,089,825,949,696/3,248,202,643.80 - Step 6: Final answer
x = 2,537,031,704.46
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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.