Finding the Fourth Proportional to 7,868,887,124.84, 10,859,074,813.86 and 4,527,318,386.60
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Solution
The fourth proportional to 7,868,887,124.84, 10,859,074,813.86 and 4,527,318,386.60 is: 6,247,705,461.56
Step by Step Solution
- Step 1: Write the proportion equation
7,868,887,124.84 : 10,859,074,813.86 = 4,527,318,386.60 : x - Step 2: Convert to fraction form
7,868,887,124.84/10,859,074,813.86 = 4,527,318,386.60/x - Step 3: Cross multiply
7,868,887,124.84x = 10,859,074,813.86 × 4,527,318,386.60 - Step 4: Simplify right side
7,868,887,124.84x = 49,162,489,066,253,361,152 - Step 5: Solve for x
x = 49,162,489,066,253,361,152/7,868,887,124.84 - Step 6: Final answer
x = 6,247,705,461.56
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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.