Finding the Fourth Proportional to 962,125,609.12, 1,442,718,121.12 and 671,132,137.12
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Solution
The fourth proportional to 962,125,609.12, 1,442,718,121.12 and 671,132,137.12 is: 1,006,370,152.41
Step by Step Solution
- Step 1: Write the proportion equation
962,125,609.12 : 1,442,718,121.12 = 671,132,137.12 : x - Step 2: Convert to fraction form
962,125,609.12/1,442,718,121.12 = 671,132,137.12/x - Step 3: Cross multiply
962,125,609.12x = 1,442,718,121.12 × 671,132,137.12 - Step 4: Simplify right side
962,125,609.12x = 968,254,495,889,016,576 - Step 5: Solve for x
x = 968,254,495,889,016,576/962,125,609.12 - Step 6: Final answer
x = 1,006,370,152.41
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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.