Finding the Fourth Proportional to 3,279,065,345.24, 4,918,597,831.04 and 918,575,785.32
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Solution
The fourth proportional to 3,279,065,345.24, 4,918,597,831.04 and 918,575,785.32 is: 1,377,863,625.65
Step by Step Solution
- Step 1: Write the proportion equation
3,279,065,345.24 : 4,918,597,831.04 = 918,575,785.32 : x - Step 2: Convert to fraction form
3,279,065,345.24/4,918,597,831.04 = 918,575,785.32/x - Step 3: Cross multiply
3,279,065,345.24x = 4,918,597,831.04 × 918,575,785.32 - Step 4: Simplify right side
3,279,065,345.24x = 4,518,104,865,316,224,000 - Step 5: Solve for x
x = 4,518,104,865,316,224,000/3,279,065,345.24 - Step 6: Final answer
x = 1,377,863,625.65
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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.