Finding the Fourth Proportional to 984,312,152.60, 1,476,468,228.90 and 969,006,651.80
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Solution
The fourth proportional to 984,312,152.60, 1,476,468,228.90 and 969,006,651.80 is: 1,453,509,977.70
Step by Step Solution
- Step 1: Write the proportion equation
984,312,152.60 : 1,476,468,228.90 = 969,006,651.80 : x - Step 2: Convert to fraction form
984,312,152.60/1,476,468,228.90 = 969,006,651.80/x - Step 3: Cross multiply
984,312,152.60x = 1,476,468,228.90 × 969,006,651.80 - Step 4: Simplify right side
984,312,152.60x = 1,430,707,534,975,464,960 - Step 5: Solve for x
x = 1,430,707,534,975,464,960/984,312,152.60 - Step 6: Final answer
x = 1,453,509,977.70
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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.