Finding the Fourth Proportional to 1,303,058,133.76, 1,798,207,449.40 and 708,307,231.73
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Solution
The fourth proportional to 1,303,058,133.76, 1,798,207,449.40 and 708,307,231.73 is: 977,457,035.54
Step by Step Solution
- Step 1: Write the proportion equation
1,303,058,133.76 : 1,798,207,449.40 = 708,307,231.73 : x - Step 2: Convert to fraction form
1,303,058,133.76/1,798,207,449.40 = 708,307,231.73/x - Step 3: Cross multiply
1,303,058,133.76x = 1,798,207,449.40 × 708,307,231.73 - Step 4: Simplify right side
1,303,058,133.76x = 1,273,683,340,560,778,240 - Step 5: Solve for x
x = 1,273,683,340,560,778,240/1,303,058,133.76 - Step 6: Final answer
x = 977,457,035.54
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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.