Finding the Fourth Proportional to 545,258,466,234.40, 817,887,699,351.60 and 262,131,572,873.20
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Solution
The fourth proportional to 545,258,466,234.40, 817,887,699,351.60 and 262,131,572,873.20 is: 393,197,359,309.80
Step by Step Solution
- Step 1: Write the proportion equation
545,258,466,234.40 : 817,887,699,351.60 = 262,131,572,873.20 : x - Step 2: Convert to fraction form
545,258,466,234.40/817,887,699,351.60 = 262,131,572,873.20/x - Step 3: Cross multiply
545,258,466,234.40x = 817,887,699,351.60 × 262,131,572,873.20 - Step 4: Simplify right side
545,258,466,234.40x = 214,394,189,064,677,841,960,960 - Step 5: Solve for x
x = 214,394,189,064,677,841,960,960/545,258,466,234.40 - Step 6: Final answer
x = 393,197,359,309.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.