Finding the Fourth Proportional to 873,495,043.83, 1,310,893,304.49 and 640,926,728.70
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Solution
The fourth proportional to 873,495,043.83, 1,310,893,304.49 and 640,926,728.70 is: 961,867,572.41
Step by Step Solution
- Step 1: Write the proportion equation
873,495,043.83 : 1,310,893,304.49 = 640,926,728.70 : x - Step 2: Convert to fraction form
873,495,043.83/1,310,893,304.49 = 640,926,728.70/x - Step 3: Cross multiply
873,495,043.83x = 1,310,893,304.49 × 640,926,728.70 - Step 4: Simplify right side
873,495,043.83x = 840,186,557,321,508,736 - Step 5: Solve for x
x = 840,186,557,321,508,736/873,495,043.83 - Step 6: Final answer
x = 961,867,572.41
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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.