Finding the Fourth Proportional to 823,078,660.57, 1,135,849,795.86 and 446,735,383.54
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Solution
The fourth proportional to 823,078,660.57, 1,135,849,795.86 and 446,735,383.54 is: 616,495,504.63
Step by Step Solution
- Step 1: Write the proportion equation
823,078,660.57 : 1,135,849,795.86 = 446,735,383.54 : x - Step 2: Convert to fraction form
823,078,660.57/1,135,849,795.86 = 446,735,383.54/x - Step 3: Cross multiply
823,078,660.57x = 1,135,849,795.86 × 446,735,383.54 - Step 4: Simplify right side
823,078,660.57x = 507,424,294,197,347,776 - Step 5: Solve for x
x = 507,424,294,197,347,776/823,078,660.57 - Step 6: Final answer
x = 616,495,504.63
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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.