Finding the Fourth Proportional to 1,337,239,186.68, 1,845,380,447.82 and 742,520,753.40
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Solution
The fourth proportional to 1,337,239,186.68, 1,845,380,447.82 and 742,520,753.40 is: 1,024,673,292.61
Step by Step Solution
- Step 1: Write the proportion equation
1,337,239,186.68 : 1,845,380,447.82 = 742,520,753.40 : x - Step 2: Convert to fraction form
1,337,239,186.68/1,845,380,447.82 = 742,520,753.40/x - Step 3: Cross multiply
1,337,239,186.68x = 1,845,380,447.82 × 742,520,753.40 - Step 4: Simplify right side
1,337,239,186.68x = 1,370,233,280,424,935,680 - Step 5: Solve for x
x = 1,370,233,280,424,935,680/1,337,239,186.68 - Step 6: Final answer
x = 1,024,673,292.61
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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.