Finding the Fourth Proportional to 1,789,148,360, 2,468,995,259.28 and 1,046,718,197.12
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Solution
The fourth proportional to 1,789,148,360, 2,468,995,259.28 and 1,046,718,197.12 is: 1,444,453,866.58
Step by Step Solution
- Step 1: Write the proportion equation
1,789,148,360 : 2,468,995,259.28 = 1,046,718,197.12 : x - Step 2: Convert to fraction form
1,789,148,360/2,468,995,259.28 = 1,046,718,197.12/x - Step 3: Cross multiply
1,789,148,360x = 2,468,995,259.28 × 1,046,718,197.12 - Step 4: Simplify right side
1,789,148,360x = 2,584,342,266,491,388,928 - Step 5: Solve for x
x = 2,584,342,266,491,388,928/1,789,148,360 - Step 6: Final answer
x = 1,444,453,866.58
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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.