Finding the Fourth Proportional to 1,537,340,252.96, 2,121,681,299.28 and 877,389,266.72
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Solution
The fourth proportional to 1,537,340,252.96, 2,121,681,299.28 and 877,389,266.72 is: 1,210,883,794.79
Step by Step Solution
- Step 1: Write the proportion equation
1,537,340,252.96 : 2,121,681,299.28 = 877,389,266.72 : x - Step 2: Convert to fraction form
1,537,340,252.96/2,121,681,299.28 = 877,389,266.72/x - Step 3: Cross multiply
1,537,340,252.96x = 2,121,681,299.28 × 877,389,266.72 - Step 4: Simplify right side
1,537,340,252.96x = 1,861,540,399,388,816,128 - Step 5: Solve for x
x = 1,861,540,399,388,816,128/1,537,340,252.96 - Step 6: Final answer
x = 1,210,883,794.79
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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.