Finding the Fourth Proportional to 3,497,899,931.13, 4,827,101,548.41 and 1,911,998,222.70
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Solution
The fourth proportional to 3,497,899,931.13, 4,827,101,548.41 and 1,911,998,222.70 is: 2,638,557,352.43
Step by Step Solution
- Step 1: Write the proportion equation
3,497,899,931.13 : 4,827,101,548.41 = 1,911,998,222.70 : x - Step 2: Convert to fraction form
3,497,899,931.13/4,827,101,548.41 = 1,911,998,222.70/x - Step 3: Cross multiply
3,497,899,931.13x = 4,827,101,548.41 × 1,911,998,222.70 - Step 4: Simplify right side
3,497,899,931.13x = 9,229,409,581,352,337,408 - Step 5: Solve for x
x = 9,229,409,581,352,337,408/3,497,899,931.13 - Step 6: Final answer
x = 2,638,557,352.43
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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.