Finding the Fourth Proportional to 7,934,272,574.37, 11,903,130,731.43 and 2,413,387,117.05
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Solution
The fourth proportional to 7,934,272,574.37, 11,903,130,731.43 and 2,413,387,117.05 is: 3,620,604,420.95
Step by Step Solution
- Step 1: Write the proportion equation
7,934,272,574.37 : 11,903,130,731.43 = 2,413,387,117.05 : x - Step 2: Convert to fraction form
7,934,272,574.37/11,903,130,731.43 = 2,413,387,117.05/x - Step 3: Cross multiply
7,934,272,574.37x = 11,903,130,731.43 × 2,413,387,117.05 - Step 4: Simplify right side
7,934,272,574.37x = 28,726,862,359,840,206,848 - Step 5: Solve for x
x = 28,726,862,359,840,206,848/7,934,272,574.37 - Step 6: Final answer
x = 3,620,604,420.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.