Finding the Fourth Proportional to 1,873,934,750.70, 2,586,030,201.18 and 1,038,613,249.98
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Solution
The fourth proportional to 1,873,934,750.70, 2,586,030,201.18 and 1,038,613,249.98 is: 1,433,286,420.88
Step by Step Solution
- Step 1: Write the proportion equation
1,873,934,750.70 : 2,586,030,201.18 = 1,038,613,249.98 : x - Step 2: Convert to fraction form
1,873,934,750.70/2,586,030,201.18 = 1,038,613,249.98/x - Step 3: Cross multiply
1,873,934,750.70x = 2,586,030,201.18 × 1,038,613,249.98 - Step 4: Simplify right side
1,873,934,750.70x = 2,685,885,231,793,992,704 - Step 5: Solve for x
x = 2,685,885,231,793,992,704/1,873,934,750.70 - Step 6: Final answer
x = 1,433,286,420.88
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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.