Finding the Fourth Proportional to 1,879,682,508.68, 2,593,809,785.86 and 1,086,779,360.12
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Solution
The fourth proportional to 1,879,682,508.68, 2,593,809,785.86 and 1,086,779,360.12 is: 1,499,667,590.85
Step by Step Solution
- Step 1: Write the proportion equation
1,879,682,508.68 : 2,593,809,785.86 = 1,086,779,360.12 : x - Step 2: Convert to fraction form
1,879,682,508.68/2,593,809,785.86 = 1,086,779,360.12/x - Step 3: Cross multiply
1,879,682,508.68x = 2,593,809,785.86 × 1,086,779,360.12 - Step 4: Simplify right side
1,879,682,508.68x = 2,818,898,939,349,924,864 - Step 5: Solve for x
x = 2,818,898,939,349,924,864/1,879,682,508.68 - Step 6: Final answer
x = 1,499,667,590.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.