Finding the Fourth Proportional to 1,537,111,437.11, 2,121,214,784.09 and 832,263,896.02
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Solution
The fourth proportional to 1,537,111,437.11, 2,121,214,784.09 and 832,263,896.02 is: 1,148,524,718.43
Step by Step Solution
- Step 1: Write the proportion equation
1,537,111,437.11 : 2,121,214,784.09 = 832,263,896.02 : x - Step 2: Convert to fraction form
1,537,111,437.11/2,121,214,784.09 = 832,263,896.02/x - Step 3: Cross multiply
1,537,111,437.11x = 2,121,214,784.09 × 832,263,896.02 - Step 4: Simplify right side
1,537,111,437.11x = 1,765,410,480,498,744,320 - Step 5: Solve for x
x = 1,765,410,480,498,744,320/1,537,111,437.11 - Step 6: Final answer
x = 1,148,524,718.43
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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.