Finding the Fourth Proportional to 49,387,693,794.74, 68,155,017,430.12 and 27,977,935,230.98
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Solution
The fourth proportional to 49,387,693,794.74, 68,155,017,430.12 and 27,977,935,230.98 is: 38,609,550,615.00
Step by Step Solution
- Step 1: Write the proportion equation
49,387,693,794.74 : 68,155,017,430.12 = 27,977,935,230.98 : x - Step 2: Convert to fraction form
49,387,693,794.74/68,155,017,430.12 = 27,977,935,230.98/x - Step 3: Cross multiply
49,387,693,794.74x = 68,155,017,430.12 × 27,977,935,230.98 - Step 4: Simplify right side
49,387,693,794.74x = 1,906,836,663,325,981,409,280 - Step 5: Solve for x
x = 1,906,836,663,325,981,409,280/49,387,693,794.74 - Step 6: Final answer
x = 38,609,550,615.00
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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.