Finding the Fourth Proportional to 1,177,529,617.68, 1,625,001,618.92 and 648,912,570.48
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Solution
The fourth proportional to 1,177,529,617.68, 1,625,001,618.92 and 648,912,570.48 is: 895,505,269.45
Step by Step Solution
- Step 1: Write the proportion equation
1,177,529,617.68 : 1,625,001,618.92 = 648,912,570.48 : x - Step 2: Convert to fraction form
1,177,529,617.68/1,625,001,618.92 = 648,912,570.48/x - Step 3: Cross multiply
1,177,529,617.68x = 1,625,001,618.92 × 648,912,570.48 - Step 4: Simplify right side
1,177,529,617.68x = 1,054,483,977,567,538,688 - Step 5: Solve for x
x = 1,054,483,977,567,538,688/1,177,529,617.68 - Step 6: Final answer
x = 895,505,269.45
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.