Finding the Fourth Proportional to 611,956,565.32, 918,205,919.36 and 320,754,482.68
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Solution
The fourth proportional to 611,956,565.32, 918,205,919.36 and 320,754,482.68 is: 481,273,804.95
Step by Step Solution
- Step 1: Write the proportion equation
611,956,565.32 : 918,205,919.36 = 320,754,482.68 : x - Step 2: Convert to fraction form
611,956,565.32/918,205,919.36 = 320,754,482.68/x - Step 3: Cross multiply
611,956,565.32x = 918,205,919.36 × 320,754,482.68 - Step 4: Simplify right side
611,956,565.32x = 294,518,664,658,030,592 - Step 5: Solve for x
x = 294,518,664,658,030,592/611,956,565.32 - Step 6: Final answer
x = 481,273,804.95
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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.