Finding the Fourth Proportional to 1,787,854,749.12, 2,467,454,335.20 and 1,082,986,044.48
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Solution
The fourth proportional to 1,787,854,749.12, 2,467,454,335.20 and 1,082,986,044.48 is: 1,494,650,844.39
Step by Step Solution
- Step 1: Write the proportion equation
1,787,854,749.12 : 2,467,454,335.20 = 1,082,986,044.48 : x - Step 2: Convert to fraction form
1,787,854,749.12/2,467,454,335.20 = 1,082,986,044.48/x - Step 3: Cross multiply
1,787,854,749.12x = 2,467,454,335.20 × 1,082,986,044.48 - Step 4: Simplify right side
1,787,854,749.12x = 2,672,218,610,413,275,648 - Step 5: Solve for x
x = 2,672,218,610,413,275,648/1,787,854,749.12 - Step 6: Final answer
x = 1,494,650,844.39
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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.