Finding the Fourth Proportional to 724,229,749,313.58, 999,458,373,024.23 and 399,089,985,454.99
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Solution
The fourth proportional to 724,229,749,313.58, 999,458,373,024.23 and 399,089,985,454.99 is: 550,755,927,840.80
Step by Step Solution
- Step 1: Write the proportion equation
724,229,749,313.58 : 999,458,373,024.23 = 399,089,985,454.99 : x - Step 2: Convert to fraction form
724,229,749,313.58/999,458,373,024.23 = 399,089,985,454.99/x - Step 3: Cross multiply
724,229,749,313.58x = 999,458,373,024.23 × 399,089,985,454.99 - Step 4: Simplify right side
724,229,749,313.58x = 398,873,827,553,107,934,969,856 - Step 5: Solve for x
x = 398,873,827,553,107,934,969,856/724,229,749,313.58 - Step 6: Final answer
x = 550,755,927,840.80
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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.