Finding the Fourth Proportional to 3,133,742,528.80, 4,700,613,793.20 and 2,215,412,480.80
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Solution
The fourth proportional to 3,133,742,528.80, 4,700,613,793.20 and 2,215,412,480.80 is: 3,323,118,721.20
Step by Step Solution
- Step 1: Write the proportion equation
3,133,742,528.80 : 4,700,613,793.20 = 2,215,412,480.80 : x - Step 2: Convert to fraction form
3,133,742,528.80/4,700,613,793.20 = 2,215,412,480.80/x - Step 3: Cross multiply
3,133,742,528.80x = 4,700,613,793.20 × 2,215,412,480.80 - Step 4: Simplify right side
3,133,742,528.80x = 10,413,798,464,875,911,168 - Step 5: Solve for x
x = 10,413,798,464,875,911,168/3,133,742,528.80 - Step 6: Final answer
x = 3,323,118,721.20
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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.