Finding the Fourth Proportional to 2,825,266,652.04, 3,898,837,040.16 and 1,555,080,478.92
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Solution
The fourth proportional to 2,825,266,652.04, 3,898,837,040.16 and 1,555,080,478.92 is: 2,145,994,031.14
Step by Step Solution
- Step 1: Write the proportion equation
2,825,266,652.04 : 3,898,837,040.16 = 1,555,080,478.92 : x - Step 2: Convert to fraction form
2,825,266,652.04/3,898,837,040.16 = 1,555,080,478.92/x - Step 3: Cross multiply
2,825,266,652.04x = 3,898,837,040.16 × 1,555,080,478.92 - Step 4: Simplify right side
2,825,266,652.04x = 6,063,005,371,643,047,936 - Step 5: Solve for x
x = 6,063,005,371,643,047,936/2,825,266,652.04 - Step 6: Final answer
x = 2,145,994,031.14
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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.