Finding the Fourth Proportional to 1,574,800,096.14, 2,173,290,160.86 and 905,745,327.12
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Solution
The fourth proportional to 1,574,800,096.14, 2,173,290,160.86 and 905,745,327.12 is: 1,249,966,527.50
Step by Step Solution
- Step 1: Write the proportion equation
1,574,800,096.14 : 2,173,290,160.86 = 905,745,327.12 : x - Step 2: Convert to fraction form
1,574,800,096.14/2,173,290,160.86 = 905,745,327.12/x - Step 3: Cross multiply
1,574,800,096.14x = 2,173,290,160.86 × 905,745,327.12 - Step 4: Simplify right side
1,574,800,096.14x = 1,968,447,407,674,818,304 - Step 5: Solve for x
x = 1,968,447,407,674,818,304/1,574,800,096.14 - Step 6: Final answer
x = 1,249,966,527.50
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1.5x scale
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.