Finding the Fourth Proportional to 2,153,021,631.88, 2,971,170,990.66 and 1,162,947,047.08
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Solution
The fourth proportional to 2,153,021,631.88, 2,971,170,990.66 and 1,162,947,047.08 is: 1,604,867,540.02
Step by Step Solution
- Step 1: Write the proportion equation
2,153,021,631.88 : 2,971,170,990.66 = 1,162,947,047.08 : x - Step 2: Convert to fraction form
2,153,021,631.88/2,971,170,990.66 = 1,162,947,047.08/x - Step 3: Cross multiply
2,153,021,631.88x = 2,971,170,990.66 × 1,162,947,047.08 - Step 4: Simplify right side
2,153,021,631.88x = 3,455,314,529,957,805,056 - Step 5: Solve for x
x = 3,455,314,529,957,805,056/2,153,021,631.88 - Step 6: Final answer
x = 1,604,867,540.02
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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.