Finding the Fourth Proportional to 1,660,615,371.53, 2,291,697,042.40 and 918,107,263.97
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Solution
The fourth proportional to 1,660,615,371.53, 2,291,697,042.40 and 918,107,263.97 is: 1,267,014,467.96
Step by Step Solution
- Step 1: Write the proportion equation
1,660,615,371.53 : 2,291,697,042.40 = 918,107,263.97 : x - Step 2: Convert to fraction form
1,660,615,371.53/2,291,697,042.40 = 918,107,263.97/x - Step 3: Cross multiply
1,660,615,371.53x = 2,291,697,042.40 × 918,107,263.97 - Step 4: Simplify right side
1,660,615,371.53x = 2,104,023,701,437,614,336 - Step 5: Solve for x
x = 2,104,023,701,437,614,336/1,660,615,371.53 - Step 6: Final answer
x = 1,267,014,467.96
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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.