Finding the Fourth Proportional to 2,512,210,555.27, 3,768,877,831.74 and 765,549,992.62
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Solution
The fourth proportional to 2,512,210,555.27, 3,768,877,831.74 and 765,549,992.62 is: 1,148,496,247.75
Step by Step Solution
- Step 1: Write the proportion equation
2,512,210,555.27 : 3,768,877,831.74 = 765,549,992.62 : x - Step 2: Convert to fraction form
2,512,210,555.27/3,768,877,831.74 = 765,549,992.62/x - Step 3: Cross multiply
2,512,210,555.27x = 3,768,877,831.74 × 765,549,992.62 - Step 4: Simplify right side
2,512,210,555.27x = 2,885,264,396,274,238,464 - Step 5: Solve for x
x = 2,885,264,396,274,238,464/2,512,210,555.27 - Step 6: Final answer
x = 1,148,496,247.75
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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.