Finding the Fourth Proportional to 1,420,092,000.30, 2,130,138,000.45 and 1,075,718,232.30
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Solution
The fourth proportional to 1,420,092,000.30, 2,130,138,000.45 and 1,075,718,232.30 is: 1,613,577,348.45
Step by Step Solution
- Step 1: Write the proportion equation
1,420,092,000.30 : 2,130,138,000.45 = 1,075,718,232.30 : x - Step 2: Convert to fraction form
1,420,092,000.30/2,130,138,000.45 = 1,075,718,232.30/x - Step 3: Cross multiply
1,420,092,000.30x = 2,130,138,000.45 × 1,075,718,232.30 - Step 4: Simplify right side
1,420,092,000.30x = 2,291,428,284,399,130,624 - Step 5: Solve for x
x = 2,291,428,284,399,130,624/1,420,092,000.30 - Step 6: Final answer
x = 1,613,577,348.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.