Finding the Fourth Proportional to 2,299,737,774.40, 3,449,606,661.60 and 641,641,854.40
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Solution
The fourth proportional to 2,299,737,774.40, 3,449,606,661.60 and 641,641,854.40 is: 962,462,781.60
Step by Step Solution
- Step 1: Write the proportion equation
2,299,737,774.40 : 3,449,606,661.60 = 641,641,854.40 : x - Step 2: Convert to fraction form
2,299,737,774.40/3,449,606,661.60 = 641,641,854.40/x - Step 3: Cross multiply
2,299,737,774.40x = 3,449,606,661.60 × 641,641,854.40 - Step 4: Simplify right side
2,299,737,774.40x = 2,213,412,015,299,617,024 - Step 5: Solve for x
x = 2,213,412,015,299,617,024/2,299,737,774.40 - Step 6: Final answer
x = 962,462,781.60
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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.