Finding the Fourth Proportional to 1,303,350,145.95, 1,798,684,692.09 and 738,845,968.56
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Solution
The fourth proportional to 1,303,350,145.95, 1,798,684,692.09 and 738,845,968.56 is: 1,019,642,294.58
Step by Step Solution
- Step 1: Write the proportion equation
1,303,350,145.95 : 1,798,684,692.09 = 738,845,968.56 : x - Step 2: Convert to fraction form
1,303,350,145.95/1,798,684,692.09 = 738,845,968.56/x - Step 3: Cross multiply
1,303,350,145.95x = 1,798,684,692.09 × 738,845,968.56 - Step 4: Simplify right side
1,303,350,145.95x = 1,328,950,933,461,281,280 - Step 5: Solve for x
x = 1,328,950,933,461,281,280/1,303,350,145.95 - Step 6: Final answer
x = 1,019,642,294.58
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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.