Finding the Fourth Proportional to 5,918,339,357.46, 8,167,243,292.73 and 3,205,539,670.95
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Solution
The fourth proportional to 5,918,339,357.46, 8,167,243,292.73 and 3,205,539,670.95 is: 4,423,609,528.94
Step by Step Solution
- Step 1: Write the proportion equation
5,918,339,357.46 : 8,167,243,292.73 = 3,205,539,670.95 : x - Step 2: Convert to fraction form
5,918,339,357.46/8,167,243,292.73 = 3,205,539,670.95/x - Step 3: Cross multiply
5,918,339,357.46x = 8,167,243,292.73 × 3,205,539,670.95 - Step 4: Simplify right side
5,918,339,357.46x = 26,180,422,377,146,314,752 - Step 5: Solve for x
x = 26,180,422,377,146,314,752/5,918,339,357.46 - Step 6: Final answer
x = 4,423,609,528.94
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Double scale
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1.5x scale
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.