Finding the Fourth Proportional to 1,765,912,259.68, 2,437,034,098.80 and 983,631,453.28
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Solution
The fourth proportional to 1,765,912,259.68, 2,437,034,098.80 and 983,631,453.28 is: 1,357,453,281.81
Step by Step Solution
- Step 1: Write the proportion equation
1,765,912,259.68 : 2,437,034,098.80 = 983,631,453.28 : x - Step 2: Convert to fraction form
1,765,912,259.68/2,437,034,098.80 = 983,631,453.28/x - Step 3: Cross multiply
1,765,912,259.68x = 2,437,034,098.80 × 983,631,453.28 - Step 4: Simplify right side
1,765,912,259.68x = 2,397,143,392,295,559,168 - Step 5: Solve for x
x = 2,397,143,392,295,559,168/1,765,912,259.68 - Step 6: Final answer
x = 1,357,453,281.81
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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.