Finding the Fourth Proportional to 750,218,638.80, 1,125,225,803.28 and 197,474,777.11
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Solution
The fourth proportional to 750,218,638.80, 1,125,225,803.28 and 197,474,777.11 is: 296,185,276.15
Step by Step Solution
- Step 1: Write the proportion equation
750,218,638.80 : 1,125,225,803.28 = 197,474,777.11 : x - Step 2: Convert to fraction form
750,218,638.80/1,125,225,803.28 = 197,474,777.11/x - Step 3: Cross multiply
750,218,638.80x = 1,125,225,803.28 × 197,474,777.11 - Step 4: Simplify right side
750,218,638.80x = 222,203,714,703,295,648 - Step 5: Solve for x
x = 222,203,714,703,295,648/750,218,638.80 - Step 6: Final answer
x = 296,185,276.15
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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.