Finding the Fourth Proportional to 4,698,447,489.68, 6,482,022,515.76 and 2,690,209,435.28
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Solution
The fourth proportional to 4,698,447,489.68, 6,482,022,515.76 and 2,690,209,435.28 is: 3,711,438,335.73
Step by Step Solution
- Step 1: Write the proportion equation
4,698,447,489.68 : 6,482,022,515.76 = 2,690,209,435.28 : x - Step 2: Convert to fraction form
4,698,447,489.68/6,482,022,515.76 = 2,690,209,435.28/x - Step 3: Cross multiply
4,698,447,489.68x = 6,482,022,515.76 × 2,690,209,435.28 - Step 4: Simplify right side
4,698,447,489.68x = 17,437,998,131,594,956,800 - Step 5: Solve for x
x = 17,437,998,131,594,956,800/4,698,447,489.68 - Step 6: Final answer
x = 3,711,438,335.73
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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.