Finding the Fourth Proportional to 4,278,303,670.80, 6,417,455,506.20 and 1,953,780,736.80
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Solution
The fourth proportional to 4,278,303,670.80, 6,417,455,506.20 and 1,953,780,736.80 is: 2,930,671,105.20
Step by Step Solution
- Step 1: Write the proportion equation
4,278,303,670.80 : 6,417,455,506.20 = 1,953,780,736.80 : x - Step 2: Convert to fraction form
4,278,303,670.80/6,417,455,506.20 = 1,953,780,736.80/x - Step 3: Cross multiply
4,278,303,670.80x = 6,417,455,506.20 × 1,953,780,736.80 - Step 4: Simplify right side
4,278,303,670.80x = 12,538,300,947,284,652,032 - Step 5: Solve for x
x = 12,538,300,947,284,652,032/4,278,303,670.80 - Step 6: Final answer
x = 2,930,671,105.20
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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.