Finding the Fourth Proportional to 1,467,332,351.20, 2,203,549,443.60 and 778,584,815.20
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Solution
The fourth proportional to 1,467,332,351.20, 2,203,549,443.60 and 778,584,815.20 is: 1,169,230,771.02
Step by Step Solution
- Step 1: Write the proportion equation
1,467,332,351.20 : 2,203,549,443.60 = 778,584,815.20 : x - Step 2: Convert to fraction form
1,467,332,351.20/2,203,549,443.60 = 778,584,815.20/x - Step 3: Cross multiply
1,467,332,351.20x = 2,203,549,443.60 × 778,584,815.20 - Step 4: Simplify right side
1,467,332,351.20x = 1,715,650,136,329,368,832 - Step 5: Solve for x
x = 1,715,650,136,329,368,832/1,467,332,351.20 - Step 6: Final answer
x = 1,169,230,771.02
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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.