Finding the Fourth Proportional to 4,780,495,326.80, 7,170,742,990.20 and 1,674,674,406.65
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Solution
The fourth proportional to 4,780,495,326.80, 7,170,742,990.20 and 1,674,674,406.65 is: 2,512,011,609.98
Step by Step Solution
- Step 1: Write the proportion equation
4,780,495,326.80 : 7,170,742,990.20 = 1,674,674,406.65 : x - Step 2: Convert to fraction form
4,780,495,326.80/7,170,742,990.20 = 1,674,674,406.65/x - Step 3: Cross multiply
4,780,495,326.80x = 7,170,742,990.20 × 1,674,674,406.65 - Step 4: Simplify right side
4,780,495,326.80x = 12,008,659,762,352,832,512 - Step 5: Solve for x
x = 12,008,659,762,352,832,512/4,780,495,326.80 - Step 6: Final answer
x = 2,512,011,609.98
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1.5x scale
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.