Finding the Fourth Proportional to 6,388,829,641.08, 8,815,073,350.86 and 3,711,018,915
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Solution
The fourth proportional to 6,388,829,641.08, 8,815,073,350.86 and 3,711,018,915 is: 5,120,328,100.75
Step by Step Solution
- Step 1: Write the proportion equation
6,388,829,641.08 : 8,815,073,350.86 = 3,711,018,915 : x - Step 2: Convert to fraction form
6,388,829,641.08/8,815,073,350.86 = 3,711,018,915/x - Step 3: Cross multiply
6,388,829,641.08x = 8,815,073,350.86 × 3,711,018,915 - Step 4: Simplify right side
6,388,829,641.08x = 32,712,903,942,153,891,840 - Step 5: Solve for x
x = 32,712,903,942,153,891,840/6,388,829,641.08 - Step 6: Final answer
x = 5,120,328,100.75
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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.