Finding the Fourth Proportional to 1,303,550,539.24, 1,798,933,837.84 and 708,869,804.16
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Solution
The fourth proportional to 1,303,550,539.24, 1,798,933,837.84 and 708,869,804.16 is: 978,258,869.86
Step by Step Solution
- Step 1: Write the proportion equation
1,303,550,539.24 : 1,798,933,837.84 = 708,869,804.16 : x - Step 2: Convert to fraction form
1,303,550,539.24/1,798,933,837.84 = 708,869,804.16/x - Step 3: Cross multiply
1,303,550,539.24x = 1,798,933,837.84 × 708,869,804.16 - Step 4: Simplify right side
1,303,550,539.24x = 1,275,209,877,326,437,888 - Step 5: Solve for x
x = 1,275,209,877,326,437,888/1,303,550,539.24 - Step 6: Final answer
x = 978,258,869.86
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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.