Finding the Fourth Proportional to 6,360,435,679.86, 9,545,011,556.31 and 2,219,879,202.66
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Solution
The fourth proportional to 6,360,435,679.86, 9,545,011,556.31 and 2,219,879,202.66 is: 3,331,339,818.45
Step by Step Solution
- Step 1: Write the proportion equation
6,360,435,679.86 : 9,545,011,556.31 = 2,219,879,202.66 : x - Step 2: Convert to fraction form
6,360,435,679.86/9,545,011,556.31 = 2,219,879,202.66/x - Step 3: Cross multiply
6,360,435,679.86x = 9,545,011,556.31 × 2,219,879,202.66 - Step 4: Simplify right side
6,360,435,679.86x = 21,188,772,643,001,925,632 - Step 5: Solve for x
x = 21,188,772,643,001,925,632/6,360,435,679.86 - Step 6: Final answer
x = 3,331,339,818.45
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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.