Finding the Fourth Proportional to 15,742,257,250, 23,613,430,702.80 and 4,551,042,468.80
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Solution
The fourth proportional to 15,742,257,250, 23,613,430,702.80 and 4,551,042,468.80 is: 6,826,576,662.79
Step by Step Solution
- Step 1: Write the proportion equation
15,742,257,250 : 23,613,430,702.80 = 4,551,042,468.80 : x - Step 2: Convert to fraction form
15,742,257,250/23,613,430,702.80 = 4,551,042,468.80/x - Step 3: Cross multiply
15,742,257,250x = 23,613,430,702.80 × 4,551,042,468.80 - Step 4: Simplify right side
15,742,257,250x = 107,465,725,962,508,632,064 - Step 5: Solve for x
x = 107,465,725,962,508,632,064/15,742,257,250 - Step 6: Final answer
x = 6,826,576,662.79
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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.