Finding the Fourth Proportional to 1,888,972,619.88, 2,606,791,269.42 and 1,042,199,899.68
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Solution
The fourth proportional to 1,888,972,619.88, 2,606,791,269.42 and 1,042,199,899.68 is: 1,438,240,856.90
Step by Step Solution
- Step 1: Write the proportion equation
1,888,972,619.88 : 2,606,791,269.42 = 1,042,199,899.68 : x - Step 2: Convert to fraction form
1,888,972,619.88/2,606,791,269.42 = 1,042,199,899.68/x - Step 3: Cross multiply
1,888,972,619.88x = 2,606,791,269.42 × 1,042,199,899.68 - Step 4: Simplify right side
1,888,972,619.88x = 2,716,797,599,476,224,000 - Step 5: Solve for x
x = 2,716,797,599,476,224,000/1,888,972,619.88 - Step 6: Final answer
x = 1,438,240,856.90
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.