Finding the Fourth Proportional to 2,667,257,879.30, 3,998,750,426.13 and 1,267,539,738.02
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Solution
The fourth proportional to 2,667,257,879.30, 3,998,750,426.13 and 1,267,539,738.02 is: 1,900,294,346.07
Step by Step Solution
- Step 1: Write the proportion equation
2,667,257,879.30 : 3,998,750,426.13 = 1,267,539,738.02 : x - Step 2: Convert to fraction form
2,667,257,879.30/3,998,750,426.13 = 1,267,539,738.02/x - Step 3: Cross multiply
2,667,257,879.30x = 3,998,750,426.13 × 1,267,539,738.02 - Step 4: Simplify right side
2,667,257,879.30x = 5,068,575,067,544,183,808 - Step 5: Solve for x
x = 5,068,575,067,544,183,808/2,667,257,879.30 - Step 6: Final answer
x = 1,900,294,346.07
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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.