Finding the Fourth Proportional to 1,347,688,695.81, 2,021,574,226.29 and 462,361,636.26
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Solution
The fourth proportional to 1,347,688,695.81, 2,021,574,226.29 and 462,361,636.26 is: 693,556,583.20
Step by Step Solution
- Step 1: Write the proportion equation
1,347,688,695.81 : 2,021,574,226.29 = 462,361,636.26 : x - Step 2: Convert to fraction form
1,347,688,695.81/2,021,574,226.29 = 462,361,636.26/x - Step 3: Cross multiply
1,347,688,695.81x = 2,021,574,226.29 × 462,361,636.26 - Step 4: Simplify right side
1,347,688,695.81x = 934,698,367,088,487,936 - Step 5: Solve for x
x = 934,698,367,088,487,936/1,347,688,695.81 - Step 6: Final answer
x = 693,556,583.20
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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.