Finding the Fourth Proportional to 1,667,550,988.16, 2,501,347,769.12 and 440,708,840
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Solution
The fourth proportional to 1,667,550,988.16, 2,501,347,769.12 and 440,708,840 is: 661,068,885.80
Step by Step Solution
- Step 1: Write the proportion equation
1,667,550,988.16 : 2,501,347,769.12 = 440,708,840 : x - Step 2: Convert to fraction form
1,667,550,988.16/2,501,347,769.12 = 440,708,840/x - Step 3: Cross multiply
1,667,550,988.16x = 2,501,347,769.12 × 440,708,840 - Step 4: Simplify right side
1,667,550,988.16x = 1,102,366,073,765,462,912 - Step 5: Solve for x
x = 1,102,366,073,765,462,912/1,667,550,988.16 - Step 6: Final answer
x = 661,068,885.80
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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.