Finding the Fourth Proportional to 6,278,913,854.44, 9,419,749,860.68 and 1,856,988,536.42
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Solution
The fourth proportional to 6,278,913,854.44, 9,419,749,860.68 and 1,856,988,536.42 is: 2,785,890,667.20
Step by Step Solution
- Step 1: Write the proportion equation
6,278,913,854.44 : 9,419,749,860.68 = 1,856,988,536.42 : x - Step 2: Convert to fraction form
6,278,913,854.44/9,419,749,860.68 = 1,856,988,536.42/x - Step 3: Cross multiply
6,278,913,854.44x = 9,419,749,860.68 × 1,856,988,536.42 - Step 4: Simplify right side
6,278,913,854.44x = 17,492,367,507,226,652,672 - Step 5: Solve for x
x = 17,492,367,507,226,652,672/6,278,913,854.44 - Step 6: Final answer
x = 2,785,890,667.20
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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.