Finding the Fourth Proportional to 513,183,936.87, 708,778,384.70 and 347,884,528.23
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Solution
The fourth proportional to 513,183,936.87, 708,778,384.70 and 347,884,528.23 is: 480,476,913.37
Step by Step Solution
- Step 1: Write the proportion equation
513,183,936.87 : 708,778,384.70 = 347,884,528.23 : x - Step 2: Convert to fraction form
513,183,936.87/708,778,384.70 = 347,884,528.23/x - Step 3: Cross multiply
513,183,936.87x = 708,778,384.70 × 347,884,528.23 - Step 4: Simplify right side
513,183,936.87x = 246,573,033,979,241,568 - Step 5: Solve for x
x = 246,573,033,979,241,568/513,183,936.87 - Step 6: Final answer
x = 480,476,913.37
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.