Finding the Fourth Proportional to 3,927,539,046.34, 5,420,118,790.29 and 2,143,506,924.82
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Solution
The fourth proportional to 3,927,539,046.34, 5,420,118,790.29 and 2,143,506,924.82 is: 2,958,102,267.92
Step by Step Solution
- Step 1: Write the proportion equation
3,927,539,046.34 : 5,420,118,790.29 = 2,143,506,924.82 : x - Step 2: Convert to fraction form
3,927,539,046.34/5,420,118,790.29 = 2,143,506,924.82/x - Step 3: Cross multiply
3,927,539,046.34x = 5,420,118,790.29 × 2,143,506,924.82 - Step 4: Simplify right side
3,927,539,046.34x = 11,618,062,160,333,615,104 - Step 5: Solve for x
x = 11,618,062,160,333,615,104/3,927,539,046.34 - Step 6: Final answer
x = 2,958,102,267.92
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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.