Finding the Fourth Proportional to 842,473,960.13, 1,263,883,295.61 and 289,704,600.08
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Solution
The fourth proportional to 842,473,960.13, 1,263,883,295.61 and 289,704,600.08 is: 434,616,168.60
Step by Step Solution
- Step 1: Write the proportion equation
842,473,960.13 : 1,263,883,295.61 = 289,704,600.08 : x - Step 2: Convert to fraction form
842,473,960.13/1,263,883,295.61 = 289,704,600.08/x - Step 3: Cross multiply
842,473,960.13x = 1,263,883,295.61 × 289,704,600.08 - Step 4: Simplify right side
842,473,960.13x = 366,152,804,696,168,000 - Step 5: Solve for x
x = 366,152,804,696,168,000/842,473,960.13 - Step 6: Final answer
x = 434,616,168.60
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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.