Finding the Fourth Proportional to 1,582,422,197.80, 2,373,851,571.30 and 918,748,772.63
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Solution
The fourth proportional to 1,582,422,197.80, 2,373,851,571.30 and 918,748,772.63 is: 1,378,249,888.41
Step by Step Solution
- Step 1: Write the proportion equation
1,582,422,197.80 : 2,373,851,571.30 = 918,748,772.63 : x - Step 2: Convert to fraction form
1,582,422,197.80/2,373,851,571.30 = 918,748,772.63/x - Step 3: Cross multiply
1,582,422,197.80x = 2,373,851,571.30 × 918,748,772.63 - Step 4: Simplify right side
1,582,422,197.80x = 2,180,973,217,537,672,192 - Step 5: Solve for x
x = 2,180,973,217,537,672,192/1,582,422,197.80 - Step 6: Final answer
x = 1,378,249,888.41
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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.