Finding the Fourth Proportional to 1,423,727,907.55, 2,134,811,619.61 and 440,881,586.15
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Solution
The fourth proportional to 1,423,727,907.55, 2,134,811,619.61 and 440,881,586.15 is: 661,080,764.09
Step by Step Solution
- Step 1: Write the proportion equation
1,423,727,907.55 : 2,134,811,619.61 = 440,881,586.15 : x - Step 2: Convert to fraction form
1,423,727,907.55/2,134,811,619.61 = 440,881,586.15/x - Step 3: Cross multiply
1,423,727,907.55x = 2,134,811,619.61 × 440,881,586.15 - Step 4: Simplify right side
1,423,727,907.55x = 941,199,132,973,330,944 - Step 5: Solve for x
x = 941,199,132,973,330,944/1,423,727,907.55 - Step 6: Final answer
x = 661,080,764.09
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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.