Finding the Fourth Proportional to 5,918,339,358.46, 8,167,243,294.11 and 3,205,539,671.95
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Solution
The fourth proportional to 5,918,339,358.46, 8,167,243,294.11 and 3,205,539,671.95 is: 4,423,609,530.32
Step by Step Solution
- Step 1: Write the proportion equation
5,918,339,358.46 : 8,167,243,294.11 = 3,205,539,671.95 : x - Step 2: Convert to fraction form
5,918,339,358.46/8,167,243,294.11 = 3,205,539,671.95/x - Step 3: Cross multiply
5,918,339,358.46x = 8,167,243,294.11 × 3,205,539,671.95 - Step 4: Simplify right side
5,918,339,358.46x = 26,180,422,389,737,205,760 - Step 5: Solve for x
x = 26,180,422,389,737,205,760/5,918,339,358.46 - Step 6: Final answer
x = 4,423,609,530.32
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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.