Finding the Fourth Proportional to 2,749,156,764.93, 3,793,961,264.94 and 1,620,174,177.09
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Solution
The fourth proportional to 2,749,156,764.93, 3,793,961,264.94 and 1,620,174,177.09 is: 2,235,913,989.61
Step by Step Solution
- Step 1: Write the proportion equation
2,749,156,764.93 : 3,793,961,264.94 = 1,620,174,177.09 : x - Step 2: Convert to fraction form
2,749,156,764.93/3,793,961,264.94 = 1,620,174,177.09/x - Step 3: Cross multiply
2,749,156,764.93x = 3,793,961,264.94 × 1,620,174,177.09 - Step 4: Simplify right side
2,749,156,764.93x = 6,146,878,070,335,499,264 - Step 5: Solve for x
x = 6,146,878,070,335,499,264/2,749,156,764.93 - Step 6: Final answer
x = 2,235,913,989.61
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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.