Finding the Fourth Proportional to 2,761,177,393.93, 3,810,314,715.62 and 1,555,490,554.21
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Solution
The fourth proportional to 2,761,177,393.93, 3,810,314,715.62 and 1,555,490,554.21 is: 2,146,514,947.48
Step by Step Solution
- Step 1: Write the proportion equation
2,761,177,393.93 : 3,810,314,715.62 = 1,555,490,554.21 : x - Step 2: Convert to fraction form
2,761,177,393.93/3,810,314,715.62 = 1,555,490,554.21/x - Step 3: Cross multiply
2,761,177,393.93x = 3,810,314,715.62 × 1,555,490,554.21 - Step 4: Simplify right side
2,761,177,393.93x = 5,926,908,548,714,272,768 - Step 5: Solve for x
x = 5,926,908,548,714,272,768/2,761,177,393.93 - Step 6: Final answer
x = 2,146,514,947.48
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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.