Finding the Fourth Proportional to 873,495,243.44, 1,310,893,605 and 640,926,928.88
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Solution
The fourth proportional to 873,495,243.44, 1,310,893,605 and 640,926,928.88 is: 961,867,873.52
Step by Step Solution
- Step 1: Write the proportion equation
873,495,243.44 : 1,310,893,605 = 640,926,928.88 : x - Step 2: Convert to fraction form
873,495,243.44/1,310,893,605 = 640,926,928.88/x - Step 3: Cross multiply
873,495,243.44x = 1,310,893,605 × 640,926,928.88 - Step 4: Simplify right side
873,495,243.44x = 840,187,012,341,081,856 - Step 5: Solve for x
x = 840,187,012,341,081,856/873,495,243.44 - Step 6: Final answer
x = 961,867,873.52
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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.